diff --git a/packages/@azure/cognitiveservices-face/lib/models/index.ts b/packages/@azure/cognitiveservices-face/lib/models/index.ts
index 770a2e2a14f1..5f4ea62d3695 100644
--- a/packages/@azure/cognitiveservices-face/lib/models/index.ts
+++ b/packages/@azure/cognitiveservices-face/lib/models/index.ts
@@ -570,7 +570,7 @@ export interface FindSimilarRequest {
    * face list, created in Face List - Create a Face List. Face list contains a
    * set of persistedFaceIds which are persisted and will never expire.
    * Parameter faceListId, largeFaceListId and faceIds should not be provided
-   * at the same time。
+   * at the same time.
    */
   faceListId?: string;
   /**
@@ -1197,7 +1197,7 @@ export interface FaceFindSimilarOptionalParams extends msRest.RequestOptionsBase
    * face list, created in Face List - Create a Face List. Face list contains a
    * set of persistedFaceIds which are persisted and will never expire.
    * Parameter faceListId, largeFaceListId and faceIds should not be provided
-   * at the same time。
+   * at the same time.
    */
   faceListId?: string;
   /**
diff --git a/packages/@azure/cognitiveservices-face/lib/operations/snapshotOperations.ts b/packages/@azure/cognitiveservices-face/lib/operations/snapshotOperations.ts
index 2ce8afbf7645..3d68784865ed 100644
--- a/packages/@azure/cognitiveservices-face/lib/operations/snapshotOperations.ts
+++ b/packages/@azure/cognitiveservices-face/lib/operations/snapshotOperations.ts
@@ -29,23 +29,23 @@ export class SnapshotOperations {
   /**
    * Submit an operation to take a snapshot of face list, large face list, person group or large
    * person group, with user-specified snapshot type, source object id, apply scope and an optional
-   * user data.
+   * user data.<br />
    * The snapshot interfaces are for users to backup and restore their face data from one face
    * subscription to another, inside same region or across regions. The workflow contains two phases,
    * user first calls Snapshot - Take to create a copy of the source object and store it as a
    * snapshot, then calls Snapshot - Apply to paste the snapshot to target subscription. The
    * snapshots are stored in a centralized location (per Azure instance), so that they can be applied
-   * cross accounts and regions.
+   * cross accounts and regions.<br />
    * Taking snapshot is an asynchronous operation. An operation id can be obtained from the
    * "Operation-Location" field in response header, to be used in OperationStatus - Get for tracking
    * the progress of creating the snapshot. The snapshot id will be included in the
    * "resourceLocation" field in OperationStatus - Get response when the operation status is
-   * "succeeded".
+   * "succeeded".<br />
    * Snapshot taking time depends on the number of person and face entries in the source object. It
-   * could be in seconds, or up to several hours for 1,000,000 persons with multiple faces.
+   * could be in seconds, or up to several hours for 1,000,000 persons with multiple faces.<br />
    * Snapshots will be automatically expired and cleaned in 48 hours after it is created by Snapshot
    * - Take. User can delete the snapshot using Snapshot - Delete by themselves any time before
-   * expiration.
+   * expiration.<br />
    * Taking snapshot for a certain object will not block any other operations against the object. All
    * read-only operations (Get/List and Identify/FindSimilar/Verify) can be conducted as usual. For
    * all writable operations, including Add/Update/Delete the source object or its persons/faces and
@@ -53,7 +53,9 @@ export class SnapshotOperations {
    * the snapshot during its taking. After snapshot taking is completed, all readable and writable
    * operations can work as normal. Snapshot will also include the training results of the source
    * object, which means target subscription the snapshot applied to does not need re-train the
-   * target object before calling Identify/FindSimilar.
+   * target object before calling Identify/FindSimilar.<br />
+   * * Free-tier subscription quota: 100 take operations per month.
+   * * S0-tier subscription quota: 100 take operations per day.
    * @param type User specified type for the source object to take snapshot from. Currently FaceList,
    * PersonGroup, LargeFaceList and LargePersonGroup are supported. Possible values include:
    * 'FaceList', 'LargeFaceList', 'LargePersonGroup', 'PersonGroup'
@@ -214,33 +216,35 @@ export class SnapshotOperations {
 
   /**
    * Submit an operation to apply a snapshot to current subscription. For each snapshot, only
-   * subscriptions included in the applyScope of Snapshot - Take can apply it.
+   * subscriptions included in the applyScope of Snapshot - Take can apply it.<br />
    * The snapshot interfaces are for users to backup and restore their face data from one face
    * subscription to another, inside same region or across regions. The workflow contains two phases,
    * user first calls Snapshot - Take to create a copy of the source object and store it as a
    * snapshot, then calls Snapshot - Apply to paste the snapshot to target subscription. The
    * snapshots are stored in a centralized location (per Azure instance), so that they can be applied
-   * cross accounts and regions.
+   * cross accounts and regions.<br />
    * Applying snapshot is an asynchronous operation. An operation id can be obtained from the
    * "Operation-Location" field in response header, to be used in OperationStatus - Get for tracking
    * the progress of applying the snapshot. The target object id will be included in the
    * "resourceLocation" field in OperationStatus - Get response when the operation status is
-   * "succeeded".
+   * "succeeded".<br />
    * Snapshot applying time depends on the number of person and face entries in the snapshot object.
-   * It could be in seconds, or up to 1 hour for 1,000,000 persons with multiple faces.
+   * It could be in seconds, or up to 1 hour for 1,000,000 persons with multiple faces.<br />
    * Snapshots will be automatically expired and cleaned in 48 hours after it is created by Snapshot
    * - Take. So the target subscription is required to apply the snapshot in 48 hours since its
-   * creation.
+   * creation.<br />
    * Applying a snapshot will not block any other operations against the target object, however it is
    * not recommended because the correctness cannot be guaranteed during snapshot applying. After
    * snapshot applying is completed, all operations towards the target object can work as normal.
    * Snapshot also includes the training results of the source object, which means target
    * subscription the snapshot applied to does not need re-train the target object before calling
-   * Identify/FindSimilar.
+   * Identify/FindSimilar.<br />
    * One snapshot can be applied multiple times in parallel, while currently only CreateNew apply
    * mode is supported, which means the apply operation will fail if target subscription already
    * contains an object of same type and using the same objectId. Users can specify the "objectId" in
-   * request body to avoid such conflicts.
+   * request body to avoid such conflicts.<br />
+   * * Free-tier subscription quota: 100 apply operations per month.
+   * * S0-tier subscription quota: 100 apply operations per day.
    * @param snapshotId Id referencing a particular snapshot.
    * @param objectId User specified target object id to be created from the snapshot.
    * @param [options] The optional parameters