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 f54aa0bbd14c..89a4e7f89304 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
@@ -4653,7 +4653,7 @@
         },
         "pfx": {
           "description": "Base64-encoded contents of a PFX file.",
-          "$ref": "../datafactory.json#/definitions/SecureString"
+          "$ref": "../datafactory.json#/definitions/SecretBase"
         },
         "username": {
           "description": "Web activity authentication user name for basic authentication.",
@@ -4661,7 +4661,7 @@
         },
         "password": {
           "description": "Password for the PFX file or basic authentication.",
-          "$ref": "../datafactory.json#/definitions/SecureString"
+          "$ref": "../datafactory.json#/definitions/SecretBase"
         },
         "resource": {
           "description": "Resource for which Azure Auth token will be requested when using MSI Authentication.",