diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json
index 968aee2ad061..bb3bb42da9fa 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json
@@ -9171,6 +9171,9 @@
           },
           {
             "$ref": "#/parameters/IfTags"
+          },
+          {
+            "$ref": "#/parameters/LeaseIdOptional"
           }
         ],
         "responses": {
@@ -9244,6 +9247,9 @@
           {
             "$ref": "#/parameters/IfTags"
           },
+          {
+            "$ref": "#/parameters/LeaseIdOptional"
+          },
           {
             "$ref": "#/parameters/BlobTagsBody"
           }
@@ -10359,8 +10365,8 @@
         "ContainerName": {
           "type": "string"
         },
-        "TagValue": {
-          "type": "string"
+        "Tags": {
+          "$ref": "#/definitions/BlobTags"
         }
       }
     },