diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
index c687f8015709..bf90040ad82d 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
@@ -1897,6 +1897,11 @@
           "x-ms-format": "dfe-string",
           "description": "Azure ML Service workspace name. Type: string (or Expression with resultType string)."
         },
+        "authentication": {
+          "type": "object",
+          "x-ms-format": "dfe-string",
+          "description": "Type of authentication (Required to specify MSI) used to connect to AzureML. Type: string (or Expression with resultType string)."
+        },
         "servicePrincipalId": {
           "type": "object",
           "x-ms-format": "dfe-string",
diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
index 4009b9a57d49..a010b70d2351 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
@@ -2271,16 +2271,9 @@
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
         "readBehavior": {
-          "description": "The read behavior for the operation. Default is Query.",
-          "type": "string",
-          "enum": [
-            "Query",
-            "QueryAll"
-          ],
-          "x-ms-enum": {
-            "name": "SalesforceSourceReadBehavior",
-            "modelAsString": true
-          }
+          "description": "The read behavior for the operation. Default is Query. Allowed values: Query/QueryAll. Type: string (or Expression with resultType string).",
+          "type": "object",
+          "x-ms-format": "dfe-string"
         }
       }
     },
@@ -2299,16 +2292,9 @@
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
         "readBehavior": {
-          "description": "The read behavior for the operation. Default is Query.",
-          "type": "string",
-          "enum": [
-            "Query",
-            "QueryAll"
-          ],
-          "x-ms-enum": {
-            "name": "SalesforceSourceReadBehavior",
-            "modelAsString": true
-          }
+          "description": "The read behavior for the operation. Default is Query. Allowed values: Query/QueryAll. Type: string (or Expression with resultType string).",
+          "type": "object",
+          "x-ms-format": "dfe-string"
         },
         "additionalColumns": {
           "type": "object",
@@ -2316,6 +2302,18 @@
         }
       }
     },
+    "SalesforceSourceReadBehavior": {
+      "description": "The Salesforce read behavior for the operation",
+      "type": "string",
+      "enum": [
+        "Query",
+        "QueryAll"
+      ],
+      "x-ms-enum": {
+        "name": "SalesforceSourceReadBehavior",
+        "modelAsString": true
+      }
+    },
     "SapCloudForCustomerSource": {
       "description": "A copy activity source for SAP Cloud for Customer source.",
       "type": "object",
diff --git a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
index 66dbd1ae9ce1..f8c9bb5da83e 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
@@ -1616,6 +1616,10 @@
         "encryptedCredential": {
           "type": "object",
           "description": "The encrypted credential used for authentication. Credentials are encrypted using the integration runtime credential manager. Type: string (or Expression with resultType string)."
+        },
+        "authentication": {
+          "type": "object",
+          "description": "Type of authentication (Required to specify MSI) used to connect to AzureML. Type: string (or Expression with resultType string)."
         }
       },
       "required": [
@@ -1659,6 +1663,10 @@
           "type": "object",
           "description": "Azure ML Service workspace name. Type: string (or Expression with resultType string)."
         },
+        "authentication": {
+          "type": "object",
+          "description": "Type of authentication (Required to specify MSI) used to connect to AzureML. Type: string (or Expression with resultType string)."
+        },
         "servicePrincipalId": {
           "type": "object",
           "description": "The ID of the service principal used to authenticate against the endpoint of a published Azure ML Service pipeline. Type: string (or Expression with resultType string)."
diff --git a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json
index c6fc1067a62c..b4cbc2da5cb9 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json
@@ -1900,16 +1900,8 @@
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
         "readBehavior": {
-          "description": "The read behavior for the operation. Default is Query.",
-          "type": "string",
-          "enum": [
-            "Query",
-            "QueryAll"
-          ],
-          "x-ms-enum": {
-            "name": "SalesforceSourceReadBehavior",
-            "modelAsString": true
-          }
+          "description": "The read behavior for the operation. Default is Query. Allowed values: Query/QueryAll. Type: string (or Expression with resultType string).",
+          "type": "object"
         }
       }
     },
@@ -1927,16 +1919,8 @@
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
         "readBehavior": {
-          "description": "The read behavior for the operation. Default is Query.",
-          "type": "string",
-          "enum": [
-            "Query",
-            "QueryAll"
-          ],
-          "x-ms-enum": {
-            "name": "SalesforceSourceReadBehavior",
-            "modelAsString": true
-          }
+          "description": "The read behavior for the operation. Default is Query. Allowed values: Query/QueryAll. Type: string (or Expression with resultType string).",
+          "type": "object"
         },
         "additionalColumns": {
           "type": "object",
@@ -1944,6 +1928,18 @@
         }
       }
     },
+    "SalesforceSourceReadBehavior": {
+      "description": "The Salesforce read behavior for the operation",
+      "type": "string",
+      "enum": [
+        "Query",
+        "QueryAll"
+      ],
+      "x-ms-enum": {
+        "name": "SalesforceSourceReadBehavior",
+        "modelAsString": true
+      }
+    },
     "SapCloudForCustomerSource": {
       "description": "A copy activity source for SAP Cloud for Customer source.",
       "type": "object",