diff --git a/lib/services/applicationinsights/lib/models/aPIKeyRequest.js b/lib/services/applicationinsights/lib/models/aPIKeyRequest.js
index 7eba399145..394dc6aba6 100644
--- a/lib/services/applicationinsights/lib/models/aPIKeyRequest.js
+++ b/lib/services/applicationinsights/lib/models/aPIKeyRequest.js
@@ -11,7 +11,7 @@
 'use strict';
 
 /**
- * An Application Insights component API Key createion request definition.
+ * An Application Insights component API Key creation request definition.
  *
  */
 class APIKeyRequest {
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentAPIKey.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentAPIKey.js
index 8495c977f4..e0dc8b9bae 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentAPIKey.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentAPIKey.js
@@ -17,7 +17,7 @@
 class ApplicationInsightsComponentAPIKey {
   /**
    * Create a ApplicationInsightsComponentAPIKey.
-   * @member {string} [id] The unique ID of the API key inside an Applciation
+   * @member {string} [id] The unique ID of the API key inside an Application
    * Insights component. It is auto generated when the API key is created.
    * @member {string} [apiKey] The API key value. It will be only return once
    * when the API Key was created.
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentAvailableFeatures.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentAvailableFeatures.js
index 42b2c32ea3..3296f9927e 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentAvailableFeatures.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentAvailableFeatures.js
@@ -17,7 +17,7 @@
 class ApplicationInsightsComponentAvailableFeatures {
   /**
    * Create a ApplicationInsightsComponentAvailableFeatures.
-   * @member {array} [result] A list of Application Insigths component feature.
+   * @member {array} [result] A list of Application Insights component feature.
    */
   constructor() {
   }
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentBillingFeatures.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentBillingFeatures.js
index 276983d914..425cacae60 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentBillingFeatures.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentBillingFeatures.js
@@ -18,7 +18,7 @@ class ApplicationInsightsComponentBillingFeatures {
   /**
    * Create a ApplicationInsightsComponentBillingFeatures.
    * @member {object} [dataVolumeCap] An Application Insights component daily
-   * data volumne cap
+   * data volume cap
    * @member {number} [dataVolumeCap.cap] Daily data volume cap in GB.
    * @member {number} [dataVolumeCap.resetTime] Daily data volume cap UTC reset
    * hour.
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentDataVolumeCap.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentDataVolumeCap.js
index 1db1cce43e..726536de9f 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentDataVolumeCap.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentDataVolumeCap.js
@@ -11,7 +11,7 @@
 'use strict';
 
 /**
- * An Application Insights component daily data volumne cap
+ * An Application Insights component daily data volume cap
  *
  */
 class ApplicationInsightsComponentDataVolumeCap {
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentExportConfiguration.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentExportConfiguration.js
index 3373d70254..4117865231 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentExportConfiguration.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentExportConfiguration.js
@@ -18,7 +18,7 @@ class ApplicationInsightsComponentExportConfiguration {
   /**
    * Create a ApplicationInsightsComponentExportConfiguration.
    * @member {string} [exportId] The unique ID of the export configuration
-   * inside an Applciation Insights component. It is auto generated when the
+   * inside an Application Insights component. It is auto generated when the
    * Continuous Export configuration is created.
    * @member {string} [instrumentationKey] The instrumentation key of the
    * Application Insights component.
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeature.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeature.js
index 936d2dc84e..74fefe2df1 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeature.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeature.js
@@ -19,13 +19,13 @@ class ApplicationInsightsComponentFeature {
    * Create a ApplicationInsightsComponentFeature.
    * @member {string} [featureName] The pricing feature name.
    * @member {string} [meterId] The meter id used for the feature.
-   * @member {string} [meterRateFrequency] The meter meter rate for the
-   * feature's meter.
+   * @member {string} [meterRateFrequency] The meter rate for the feature's
+   * meter.
    * @member {string} [resouceId] Reserved, not used now.
    * @member {boolean} [isHidden] Reserved, not used now.
-   * @member {array} [capabilities] A list of Application Insigths component
+   * @member {array} [capabilities] A list of Application Insights component
    * feature capability.
-   * @member {string} [title] Desplay name of the feature.
+   * @member {string} [title] Display name of the feature.
    * @member {boolean} [isMainFeature] Whether can apply addon feature on to
    * it.
    * @member {string} [supportedAddonFeatures] The add on features on main
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapabilities.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapabilities.js
index ae93319d27..e9f03ea34a 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapabilities.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapabilities.js
@@ -32,7 +32,7 @@ class ApplicationInsightsComponentFeatureCapabilities {
    * @member {boolean} [multipleStepWebTest] Whether allow to use multiple
    * steps web test feature.
    * @member {string} [apiAccessLevel] Reserved, not used now.
-   * @member {string} [trackingType] The applciation insights component used
+   * @member {string} [trackingType] The application insights component used
    * tracking type.
    * @member {number} [dailyCap] Daily data volume cap in GB.
    * @member {number} [dailyCapResetTime] Daily data volume cap UTC reset hour.
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapability.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapability.js
index 5499022ffb..9d44c9da7b 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapability.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentFeatureCapability.js
@@ -19,7 +19,7 @@ class ApplicationInsightsComponentFeatureCapability {
    * Create a ApplicationInsightsComponentFeatureCapability.
    * @member {string} [name] The name of the capability.
    * @member {string} [description] The description of the capability.
-   * @member {string} [value] The vaule of the capability.
+   * @member {string} [value] The value of the capability.
    * @member {string} [unit] The unit of the capability.
    * @member {string} [meterId] The meter used for the capability.
    * @member {string} [meterRateFrequency] The meter rate of the meter.
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentListResult.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentListResult.js
index c211757dff..341fd0fe44 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentListResult.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentListResult.js
@@ -17,8 +17,8 @@ class ApplicationInsightsComponentListResult extends Array {
   /**
    * Create a ApplicationInsightsComponentListResult.
    * @member {string} [nextLink] The URI to get the next set of Application
-   * Insights component defintions if too many components where returned in the
-   * result set.
+   * Insights component definitions if too many components where returned in
+   * the result set.
    */
   constructor() {
     super();
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfiguration.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfiguration.js
index 1c6090fea1..09a87c81ef 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfiguration.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfiguration.js
@@ -34,7 +34,7 @@ class ApplicationInsightsComponentProactiveDetectionConfiguration extends models
    * @member {string} [ruleDefinitions.displayName] The rule name as it is
    * displayed in UI
    * @member {string} [ruleDefinitions.description] The rule description
-   * @member {string} [ruleDefinitions.helpUrl] URL which displays aditional
+   * @member {string} [ruleDefinitions.helpUrl] URL which displays additional
    * info about the proactive detection rule
    * @member {boolean} [ruleDefinitions.isHidden] A flag indicating whether the
    * rule is hidden (from the UI)
diff --git a/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfigurationRuleDefinitions.js b/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfigurationRuleDefinitions.js
index b4b3187eac..a9b6968ce8 100644
--- a/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfigurationRuleDefinitions.js
+++ b/lib/services/applicationinsights/lib/models/applicationInsightsComponentProactiveDetectionConfigurationRuleDefinitions.js
@@ -21,7 +21,7 @@ class ApplicationInsightsComponentProactiveDetectionConfigurationRuleDefinitions
    * @member {string} [name] The rule name
    * @member {string} [displayName] The rule name as it is displayed in UI
    * @member {string} [description] The rule description
-   * @member {string} [helpUrl] URL which displays aditional info about the
+   * @member {string} [helpUrl] URL which displays additional info about the
    * proactive detection rule
    * @member {boolean} [isHidden] A flag indicating whether the rule is hidden
    * (from the UI)
diff --git a/lib/services/applicationinsights/lib/models/componentPurgeBodyFilters.js b/lib/services/applicationinsights/lib/models/componentPurgeBodyFilters.js
index d691a0b4ca..d8bc0b1987 100644
--- a/lib/services/applicationinsights/lib/models/componentPurgeBodyFilters.js
+++ b/lib/services/applicationinsights/lib/models/componentPurgeBodyFilters.js
@@ -24,6 +24,8 @@ class ComponentPurgeBodyFilters {
    * @member {object} [value] the value for the operator to function over. This
    * can be a number (e.g., > 100), a string (timestamp >= '2017-09-01') or
    * array of values.
+   * @member {string} [key] When filtering over custom dimensions, this key
+   * will be used as the name of the custom dimension.
    */
   constructor() {
   }
@@ -62,6 +64,13 @@ class ComponentPurgeBodyFilters {
             type: {
               name: 'Object'
             }
+          },
+          key: {
+            required: false,
+            serializedName: 'key',
+            type: {
+              name: 'String'
+            }
           }
         }
       }
diff --git a/lib/services/applicationinsights/lib/models/errorResponse.js b/lib/services/applicationinsights/lib/models/errorResponse.js
index 4eda09b28c..c8b6549242 100644
--- a/lib/services/applicationinsights/lib/models/errorResponse.js
+++ b/lib/services/applicationinsights/lib/models/errorResponse.js
@@ -11,8 +11,8 @@
 'use strict';
 
 /**
- * Error reponse indicates Insights service is not able to process the incoming
- * request. The reason is provided in the error message.
+ * Error response indicates Insights service is not able to process the
+ * incoming request. The reason is provided in the error message.
  *
  */
 class ErrorResponse {
diff --git a/lib/services/applicationinsights/lib/models/index.d.ts b/lib/services/applicationinsights/lib/models/index.d.ts
index 2e33a87dc4..eabd9aa233 100644
--- a/lib/services/applicationinsights/lib/models/index.d.ts
+++ b/lib/services/applicationinsights/lib/models/index.d.ts
@@ -20,8 +20,8 @@ export { CloudError } from 'ms-rest-azure';
  * @class
  * Initializes a new instance of the ErrorResponse class.
  * @constructor
- * Error reponse indicates Insights service is not able to process the incoming
- * request. The reason is provided in the error message.
+ * Error response indicates Insights service is not able to process the
+ * incoming request. The reason is provided in the error message.
  *
  * @member {string} [code] Error code.
  * @member {string} [message] Error message indicating why the operation
@@ -128,7 +128,7 @@ export interface AnnotationError {
  * @class
  * Initializes a new instance of the APIKeyRequest class.
  * @constructor
- * An Application Insights component API Key createion request definition.
+ * An Application Insights component API Key creation request definition.
  *
  * @member {string} [name] The name of the API Key.
  * @member {array} [linkedReadProperties] The read access rights of this API
@@ -148,7 +148,7 @@ export interface APIKeyRequest {
  * @constructor
  * Properties that define an API key of an Application Insights Component.
  *
- * @member {string} [id] The unique ID of the API key inside an Applciation
+ * @member {string} [id] The unique ID of the API key inside an Application
  * Insights component. It is auto generated when the API key is created.
  * @member {string} [apiKey] The API key value. It will be only return once
  * when the API Key was created.
@@ -213,7 +213,7 @@ export interface ApplicationInsightsComponentExportRequest {
  * Properties that define a Continuous Export configuration.
  *
  * @member {string} [exportId] The unique ID of the export configuration inside
- * an Applciation Insights component. It is auto generated when the Continuous
+ * an Application Insights component. It is auto generated when the Continuous
  * Export configuration is created.
  * @member {string} [instrumentationKey] The instrumentation key of the
  * Application Insights component.
@@ -279,7 +279,7 @@ export interface ApplicationInsightsComponentExportConfiguration {
  * @class
  * Initializes a new instance of the ApplicationInsightsComponentDataVolumeCap class.
  * @constructor
- * An Application Insights component daily data volumne cap
+ * An Application Insights component daily data volume cap
  *
  * @member {number} [cap] Daily data volume cap in GB.
  * @member {number} [resetTime] Daily data volume cap UTC reset hour.
@@ -307,7 +307,7 @@ export interface ApplicationInsightsComponentDataVolumeCap {
  * An Application Insights component billing features
  *
  * @member {object} [dataVolumeCap] An Application Insights component daily
- * data volumne cap
+ * data volume cap
  * @member {number} [dataVolumeCap.cap] Daily data volume cap in GB.
  * @member {number} [dataVolumeCap.resetTime] Daily data volume cap UTC reset
  * hour.
@@ -368,7 +368,7 @@ export interface ApplicationInsightsComponentQuotaStatus {
  * @member {boolean} [multipleStepWebTest] Whether allow to use multiple steps
  * web test feature.
  * @member {string} [apiAccessLevel] Reserved, not used now.
- * @member {string} [trackingType] The applciation insights component used
+ * @member {string} [trackingType] The application insights component used
  * tracking type.
  * @member {number} [dailyCap] Daily data volume cap in GB.
  * @member {number} [dailyCapResetTime] Daily data volume cap UTC reset hour.
@@ -401,7 +401,7 @@ export interface ApplicationInsightsComponentFeatureCapabilities {
  *
  * @member {string} [name] The name of the capability.
  * @member {string} [description] The description of the capability.
- * @member {string} [value] The vaule of the capability.
+ * @member {string} [value] The value of the capability.
  * @member {string} [unit] The unit of the capability.
  * @member {string} [meterId] The meter used for the capability.
  * @member {string} [meterRateFrequency] The meter rate of the meter.
@@ -423,13 +423,13 @@ export interface ApplicationInsightsComponentFeatureCapability {
  *
  * @member {string} [featureName] The pricing feature name.
  * @member {string} [meterId] The meter id used for the feature.
- * @member {string} [meterRateFrequency] The meter meter rate for the feature's
+ * @member {string} [meterRateFrequency] The meter rate for the feature's
  * meter.
  * @member {string} [resouceId] Reserved, not used now.
  * @member {boolean} [isHidden] Reserved, not used now.
- * @member {array} [capabilities] A list of Application Insigths component
+ * @member {array} [capabilities] A list of Application Insights component
  * feature capability.
- * @member {string} [title] Desplay name of the feature.
+ * @member {string} [title] Display name of the feature.
  * @member {boolean} [isMainFeature] Whether can apply addon feature on to it.
  * @member {string} [supportedAddonFeatures] The add on features on main
  * feature.
@@ -452,7 +452,7 @@ export interface ApplicationInsightsComponentFeature {
  * @constructor
  * An Application Insights component available features.
  *
- * @member {array} [result] A list of Application Insigths component feature.
+ * @member {array} [result] A list of Application Insights component feature.
  */
 export interface ApplicationInsightsComponentAvailableFeatures {
   readonly result?: ApplicationInsightsComponentFeature[];
@@ -468,7 +468,7 @@ export interface ApplicationInsightsComponentAvailableFeatures {
  * @member {string} [name] The rule name
  * @member {string} [displayName] The rule name as it is displayed in UI
  * @member {string} [description] The rule description
- * @member {string} [helpUrl] URL which displays aditional info about the
+ * @member {string} [helpUrl] URL which displays additional info about the
  * proactive detection rule
  * @member {boolean} [isHidden] A flag indicating whether the rule is hidden
  * (from the UI)
@@ -510,8 +510,8 @@ export interface ApplicationInsightsComponentProactiveDetectionConfigurationRule
  * @member {string} [ruleDefinitions.displayName] The rule name as it is
  * displayed in UI
  * @member {string} [ruleDefinitions.description] The rule description
- * @member {string} [ruleDefinitions.helpUrl] URL which displays aditional info
- * about the proactive detection rule
+ * @member {string} [ruleDefinitions.helpUrl] URL which displays additional
+ * info about the proactive detection rule
  * @member {boolean} [ruleDefinitions.isHidden] A flag indicating whether the
  * rule is hidden (from the UI)
  * @member {boolean} [ruleDefinitions.isEnabledByDefault] A flag indicating
@@ -634,11 +634,14 @@ export interface ApplicationInsightsComponent extends ComponentsResource {
  * @member {object} [value] the value for the operator to function over. This
  * can be a number (e.g., > 100), a string (timestamp >= '2017-09-01') or array
  * of values.
+ * @member {string} [key] When filtering over custom dimensions, this key will
+ * be used as the name of the custom dimension.
  */
 export interface ComponentPurgeBodyFilters {
   column?: string;
   operator?: string;
   value?: any;
+  key?: string;
 }
 
 /**
@@ -713,7 +716,7 @@ export interface WorkItemConfiguration {
  *
  * @member {string} [connectorId] Unique connector id
  * @member {string} [connectorDataConfiguration] Serialized JSON object for
- * detaile d properties
+ * detailed properties
  * @member {boolean} [validateOnly] Boolean indicating validate only
  * @member {string} [workItemProperties] Custom work item properties
  */
@@ -1108,7 +1111,7 @@ export interface ApplicationInsightsComponentAPIKeyListResult extends Array<Appl
  * Describes the list of Application Insights Resources.
  *
  * @member {string} [nextLink] The URI to get the next set of Application
- * Insights component defintions if too many components where returned in the
+ * Insights component definitions if too many components where returned in the
  * result set.
  */
 export interface ApplicationInsightsComponentListResult extends Array<ApplicationInsightsComponent> {
diff --git a/lib/services/applicationinsights/lib/models/workItemCreateConfiguration.js b/lib/services/applicationinsights/lib/models/workItemCreateConfiguration.js
index f15933feb7..008ef97c25 100644
--- a/lib/services/applicationinsights/lib/models/workItemCreateConfiguration.js
+++ b/lib/services/applicationinsights/lib/models/workItemCreateConfiguration.js
@@ -19,7 +19,7 @@ class WorkItemCreateConfiguration {
    * Create a WorkItemCreateConfiguration.
    * @member {string} [connectorId] Unique connector id
    * @member {string} [connectorDataConfiguration] Serialized JSON object for
-   * detaile d properties
+   * detailed properties
    * @member {boolean} [validateOnly] Boolean indicating validate only
    * @member {string} [workItemProperties] Custom work item properties
    */
diff --git a/lib/services/applicationinsights/lib/operations/componentCurrentBillingFeatures.js b/lib/services/applicationinsights/lib/operations/componentCurrentBillingFeatures.js
index 3a51f84308..660ee65453 100644
--- a/lib/services/applicationinsights/lib/operations/componentCurrentBillingFeatures.js
+++ b/lib/services/applicationinsights/lib/operations/componentCurrentBillingFeatures.js
@@ -173,7 +173,7 @@ function _get(resourceGroupName, resourceName, options, callback) {
  * specified to update billing features for an Application Insights component.
  *
  * @param {object} [billingFeaturesProperties.dataVolumeCap] An Application
- * Insights component daily data volumne cap
+ * Insights component daily data volume cap
  *
  * @param {number} [billingFeaturesProperties.dataVolumeCap.cap] Daily data
  * volume cap in GB.
@@ -462,7 +462,7 @@ class ComponentCurrentBillingFeatures {
    * specified to update billing features for an Application Insights component.
    *
    * @param {object} [billingFeaturesProperties.dataVolumeCap] An Application
-   * Insights component daily data volumne cap
+   * Insights component daily data volume cap
    *
    * @param {number} [billingFeaturesProperties.dataVolumeCap.cap] Daily data
    * volume cap in GB.
@@ -519,7 +519,7 @@ class ComponentCurrentBillingFeatures {
    * specified to update billing features for an Application Insights component.
    *
    * @param {object} [billingFeaturesProperties.dataVolumeCap] An Application
-   * Insights component daily data volumne cap
+   * Insights component daily data volume cap
    *
    * @param {number} [billingFeaturesProperties.dataVolumeCap.cap] Daily data
    * volume cap in GB.
diff --git a/lib/services/applicationinsights/lib/operations/componentFeatureCapabilities.js b/lib/services/applicationinsights/lib/operations/componentFeatureCapabilities.js
index 2b3873b153..03edb1050b 100644
--- a/lib/services/applicationinsights/lib/operations/componentFeatureCapabilities.js
+++ b/lib/services/applicationinsights/lib/operations/componentFeatureCapabilities.js
@@ -15,7 +15,7 @@ const msRestAzure = require('ms-rest-azure');
 const WebResource = msRest.WebResource;
 
 /**
- * Returns feature capabilites of the application insights component.
+ * Returns feature capabilities of the application insights component.
  *
  * @param {string} resourceGroupName The name of the resource group.
  *
@@ -174,7 +174,7 @@ class ComponentFeatureCapabilities {
   }
 
   /**
-   * Returns feature capabilites of the application insights component.
+   * Returns feature capabilities of the application insights component.
    *
    * @param {string} resourceGroupName The name of the resource group.
    *
@@ -207,7 +207,7 @@ class ComponentFeatureCapabilities {
   }
 
   /**
-   * Returns feature capabilites of the application insights component.
+   * Returns feature capabilities of the application insights component.
    *
    * @param {string} resourceGroupName The name of the resource group.
    *
diff --git a/lib/services/applicationinsights/lib/operations/index.d.ts b/lib/services/applicationinsights/lib/operations/index.d.ts
index c8e8333e40..4d079a45b4 100644
--- a/lib/services/applicationinsights/lib/operations/index.d.ts
+++ b/lib/services/applicationinsights/lib/operations/index.d.ts
@@ -1276,7 +1276,7 @@ export interface ComponentCurrentBillingFeatures {
      * specified to update billing features for an Application Insights component.
      *
      * @param {object} [billingFeaturesProperties.dataVolumeCap] An Application
-     * Insights component daily data volumne cap
+     * Insights component daily data volume cap
      *
      * @param {number} [billingFeaturesProperties.dataVolumeCap.cap] Daily data
      * volume cap in GB.
@@ -1321,7 +1321,7 @@ export interface ComponentCurrentBillingFeatures {
      * specified to update billing features for an Application Insights component.
      *
      * @param {object} [billingFeaturesProperties.dataVolumeCap] An Application
-     * Insights component daily data volumne cap
+     * Insights component daily data volume cap
      *
      * @param {number} [billingFeaturesProperties.dataVolumeCap.cap] Daily data
      * volume cap in GB.
@@ -1457,7 +1457,7 @@ export interface ComponentFeatureCapabilities {
 
 
     /**
-     * Returns feature capabilites of the application insights component.
+     * Returns feature capabilities of the application insights component.
      *
      * @param {string} resourceGroupName The name of the resource group.
      *
@@ -1478,7 +1478,7 @@ export interface ComponentFeatureCapabilities {
     getWithHttpOperationResponse(resourceGroupName: string, resourceName: string, options?: { customHeaders? : { [headerName: string]: string; } }): Promise<HttpOperationResponse<models.ApplicationInsightsComponentFeatureCapabilities>>;
 
     /**
-     * Returns feature capabilites of the application insights component.
+     * Returns feature capabilities of the application insights component.
      *
      * @param {string} resourceGroupName The name of the resource group.
      *
@@ -1775,7 +1775,7 @@ export interface ProactiveDetectionConfigurations {
      * The rule description
      *
      * @param {string} [proactiveDetectionProperties.ruleDefinitions.helpUrl] URL
-     * which displays aditional info about the proactive detection rule
+     * which displays additional info about the proactive detection rule
      *
      * @param {boolean} [proactiveDetectionProperties.ruleDefinitions.isHidden] A
      * flag indicating whether the rule is hidden (from the UI)
@@ -1849,7 +1849,7 @@ export interface ProactiveDetectionConfigurations {
      * The rule description
      *
      * @param {string} [proactiveDetectionProperties.ruleDefinitions.helpUrl] URL
-     * which displays aditional info about the proactive detection rule
+     * which displays additional info about the proactive detection rule
      *
      * @param {boolean} [proactiveDetectionProperties.ruleDefinitions.isHidden] A
      * flag indicating whether the rule is hidden (from the UI)
@@ -2694,7 +2694,7 @@ export interface WorkItemConfigurations {
      * connector id
      *
      * @param {string} [workItemConfigurationProperties.connectorDataConfiguration]
-     * Serialized JSON object for detaile d properties
+     * Serialized JSON object for detailed properties
      *
      * @param {boolean} [workItemConfigurationProperties.validateOnly] Boolean
      * indicating validate only
@@ -2731,7 +2731,7 @@ export interface WorkItemConfigurations {
      * connector id
      *
      * @param {string} [workItemConfigurationProperties.connectorDataConfiguration]
-     * Serialized JSON object for detaile d properties
+     * Serialized JSON object for detailed properties
      *
      * @param {boolean} [workItemConfigurationProperties.validateOnly] Boolean
      * indicating validate only
@@ -2833,7 +2833,7 @@ export interface WorkItemConfigurations {
 
 
     /**
-     * Delete an workitem configuration of an Application Insights component.
+     * Delete a work item configuration of an Application Insights component.
      *
      * @param {string} resourceGroupName The name of the resource group.
      *
@@ -2858,7 +2858,7 @@ export interface WorkItemConfigurations {
     deleteMethodWithHttpOperationResponse(resourceGroupName: string, resourceName: string, workItemConfigId: string, options?: { customHeaders? : { [headerName: string]: string; } }): Promise<HttpOperationResponse<any>>;
 
     /**
-     * Delete an workitem configuration of an Application Insights component.
+     * Delete a work item configuration of an Application Insights component.
      *
      * @param {string} resourceGroupName The name of the resource group.
      *
@@ -3883,7 +3883,7 @@ export interface WebTests {
 
 
     /**
-     * Get all Application Insights web test alerts definitioned within a
+     * Get all Application Insights web test alerts definitions within a
      * subscription.
      *
      * @param {object} [options] Optional Parameters.
@@ -3900,7 +3900,7 @@ export interface WebTests {
     listWithHttpOperationResponse(options?: { customHeaders? : { [headerName: string]: string; } }): Promise<HttpOperationResponse<models.WebTestListResult>>;
 
     /**
-     * Get all Application Insights web test alerts definitioned within a
+     * Get all Application Insights web test alerts definitions within a
      * subscription.
      *
      * @param {object} [options] Optional Parameters.
@@ -4056,7 +4056,7 @@ export interface WebTests {
 
 
     /**
-     * Get all Application Insights web test alerts definitioned within a
+     * Get all Application Insights web test alerts definitions within a
      * subscription.
      *
      * @param {string} nextPageLink The NextLink from the previous successful call
@@ -4076,7 +4076,7 @@ export interface WebTests {
     listNextWithHttpOperationResponse(nextPageLink: string, options?: { customHeaders? : { [headerName: string]: string; } }): Promise<HttpOperationResponse<models.WebTestListResult>>;
 
     /**
-     * Get all Application Insights web test alerts definitioned within a
+     * Get all Application Insights web test alerts definitions within a
      * subscription.
      *
      * @param {string} nextPageLink The NextLink from the previous successful call
diff --git a/lib/services/applicationinsights/lib/operations/proactiveDetectionConfigurations.js b/lib/services/applicationinsights/lib/operations/proactiveDetectionConfigurations.js
index ab34c6bfd4..b419b5a37d 100644
--- a/lib/services/applicationinsights/lib/operations/proactiveDetectionConfigurations.js
+++ b/lib/services/applicationinsights/lib/operations/proactiveDetectionConfigurations.js
@@ -373,7 +373,7 @@ function _get(resourceGroupName, resourceName, configurationId, options, callbac
  * The rule description
  *
  * @param {string} [proactiveDetectionProperties.ruleDefinitions.helpUrl] URL
- * which displays aditional info about the proactive detection rule
+ * which displays additional info about the proactive detection rule
  *
  * @param {boolean} [proactiveDetectionProperties.ruleDefinitions.isHidden] A
  * flag indicating whether the rule is hidden (from the UI)
@@ -793,7 +793,7 @@ class ProactiveDetectionConfigurations {
    * The rule description
    *
    * @param {string} [proactiveDetectionProperties.ruleDefinitions.helpUrl] URL
-   * which displays aditional info about the proactive detection rule
+   * which displays additional info about the proactive detection rule
    *
    * @param {boolean} [proactiveDetectionProperties.ruleDefinitions.isHidden] A
    * flag indicating whether the rule is hidden (from the UI)
@@ -879,7 +879,7 @@ class ProactiveDetectionConfigurations {
    * The rule description
    *
    * @param {string} [proactiveDetectionProperties.ruleDefinitions.helpUrl] URL
-   * which displays aditional info about the proactive detection rule
+   * which displays additional info about the proactive detection rule
    *
    * @param {boolean} [proactiveDetectionProperties.ruleDefinitions.isHidden] A
    * flag indicating whether the rule is hidden (from the UI)
diff --git a/lib/services/applicationinsights/lib/operations/webTests.js b/lib/services/applicationinsights/lib/operations/webTests.js
index 3532e1927e..b90e5f4f59 100644
--- a/lib/services/applicationinsights/lib/operations/webTests.js
+++ b/lib/services/applicationinsights/lib/operations/webTests.js
@@ -806,7 +806,7 @@ function _deleteMethod(resourceGroupName, webTestName, options, callback) {
 }
 
 /**
- * Get all Application Insights web test alerts definitioned within a
+ * Get all Application Insights web test alerts definitions within a
  * subscription.
  *
  * @param {object} [options] Optional Parameters.
@@ -1214,7 +1214,7 @@ function _listByResourceGroupNext(nextPageLink, options, callback) {
 }
 
 /**
- * Get all Application Insights web test alerts definitioned within a
+ * Get all Application Insights web test alerts definitions within a
  * subscription.
  *
  * @param {string} nextPageLink The NextLink from the previous successful call
@@ -2026,7 +2026,7 @@ class WebTests {
   }
 
   /**
-   * Get all Application Insights web test alerts definitioned within a
+   * Get all Application Insights web test alerts definitions within a
    * subscription.
    *
    * @param {object} [options] Optional Parameters.
@@ -2055,7 +2055,7 @@ class WebTests {
   }
 
   /**
-   * Get all Application Insights web test alerts definitioned within a
+   * Get all Application Insights web test alerts definitions within a
    * subscription.
    *
    * @param {object} [options] Optional Parameters.
@@ -2280,7 +2280,7 @@ class WebTests {
   }
 
   /**
-   * Get all Application Insights web test alerts definitioned within a
+   * Get all Application Insights web test alerts definitions within a
    * subscription.
    *
    * @param {string} nextPageLink The NextLink from the previous successful call
@@ -2312,7 +2312,7 @@ class WebTests {
   }
 
   /**
-   * Get all Application Insights web test alerts definitioned within a
+   * Get all Application Insights web test alerts definitions within a
    * subscription.
    *
    * @param {string} nextPageLink The NextLink from the previous successful call
diff --git a/lib/services/applicationinsights/lib/operations/workItemConfigurations.js b/lib/services/applicationinsights/lib/operations/workItemConfigurations.js
index 12da50b54d..975d6f1729 100644
--- a/lib/services/applicationinsights/lib/operations/workItemConfigurations.js
+++ b/lib/services/applicationinsights/lib/operations/workItemConfigurations.js
@@ -178,7 +178,7 @@ function _list(resourceGroupName, resourceName, options, callback) {
  * connector id
  *
  * @param {string} [workItemConfigurationProperties.connectorDataConfiguration]
- * Serialized JSON object for detaile d properties
+ * Serialized JSON object for detailed properties
  *
  * @param {boolean} [workItemConfigurationProperties.validateOnly] Boolean
  * indicating validate only
@@ -488,7 +488,7 @@ function _getDefault(resourceGroupName, resourceName, options, callback) {
 }
 
 /**
- * Delete an workitem configuration of an Application Insights component.
+ * Delete a work item configuration of an Application Insights component.
  *
  * @param {string} resourceGroupName The name of the resource group.
  *
@@ -765,7 +765,7 @@ class WorkItemConfigurations {
    * connector id
    *
    * @param {string} [workItemConfigurationProperties.connectorDataConfiguration]
-   * Serialized JSON object for detaile d properties
+   * Serialized JSON object for detailed properties
    *
    * @param {boolean} [workItemConfigurationProperties.validateOnly] Boolean
    * indicating validate only
@@ -814,7 +814,7 @@ class WorkItemConfigurations {
    * connector id
    *
    * @param {string} [workItemConfigurationProperties.connectorDataConfiguration]
-   * Serialized JSON object for detaile d properties
+   * Serialized JSON object for detailed properties
    *
    * @param {boolean} [workItemConfigurationProperties.validateOnly] Boolean
    * indicating validate only
@@ -958,7 +958,7 @@ class WorkItemConfigurations {
   }
 
   /**
-   * Delete an workitem configuration of an Application Insights component.
+   * Delete a work item configuration of an Application Insights component.
    *
    * @param {string} resourceGroupName The name of the resource group.
    *
@@ -995,7 +995,7 @@ class WorkItemConfigurations {
   }
 
   /**
-   * Delete an workitem configuration of an Application Insights component.
+   * Delete a work item configuration of an Application Insights component.
    *
    * @param {string} resourceGroupName The name of the resource group.
    *