diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/authorization.json b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/authorization.json
index 68baa937436a..fd2eefdd398a 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/authorization.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/authorization.json
@@ -685,9 +685,10 @@
           "type": "string",
           "description": "The role definition description."
         },
-        "roletype": {
+        "type": {
           "type": "string",
-          "description": "The role type."
+          "description": "The role type.",
+          "x-ms-client-name": "roleType"  
         },
         "permissions": {
           "type": "array",
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/DeleteRoleDefinition.json b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/DeleteRoleDefinition.json
index 8b6616606ead..8ac52fed0056 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/DeleteRoleDefinition.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/DeleteRoleDefinition.json
@@ -9,7 +9,7 @@
       "body": {
         "properties": {
           "roleName": "Role name",
-          "roletype": "roletype",
+          "type": "roletype",
           "description": "Role description",
           "assignableScopes": [
             "/subscriptions/subId"
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionAtScope.json b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionAtScope.json
index edec8d108f8e..c0977d37ab72 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionAtScope.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionAtScope.json
@@ -10,7 +10,7 @@
           {
             "properties": {
               "roleName": "Role name",
-              "roletype": "roletype",
+              "type": "roletype",
               "description": "Role description",
               "assignableScopes": [
                 "/subscriptions/subId"
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionById.json b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionById.json
index 0591f88cc28c..5de255cf7f1a 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionById.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionById.json
@@ -8,7 +8,7 @@
       "body": {
         "properties": {
           "roleName": "Role name",
-          "roletype": "roletype",
+          "type": "roletype",
           "description": "Role description",
           "assignableScopes": [
             "/subscriptions/subId"
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionByName.json b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionByName.json
index ae1f0083ad7e..0a160a387962 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionByName.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/GetRoleDefinitionByName.json
@@ -9,7 +9,7 @@
       "body": {
         "properties": {
           "roleName": "Role name",
-          "roletype": "roletype",
+          "type": "roletype",
           "description": "Role description",
           "assignableScopes": [
             "/subscriptions/subId"
diff --git a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/PutRoleDefinition.json b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/PutRoleDefinition.json
index 9e037535157d..03bab57a6310 100644
--- a/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/PutRoleDefinition.json
+++ b/specification/authorization/resource-manager/Microsoft.Authorization/2017-10-01-preview/examples/PutRoleDefinition.json
@@ -34,7 +34,7 @@
       "body": {
         "properties": {
           "roleName": "Role name",
-          "roletype": "roletype",
+          "type": "roletype",
           "description": "Role description",
           "assignableScopes": [
             "/subscriptions/subId"