diff --git a/specification/marketplaceordering/resource-manager/Microsoft.MarketplaceOrdering/stable/2021-01-01/Agreements.json b/specification/marketplaceordering/resource-manager/Microsoft.MarketplaceOrdering/stable/2021-01-01/Agreements.json
index 844a13a60126..1fc48b67edb3 100644
--- a/specification/marketplaceordering/resource-manager/Microsoft.MarketplaceOrdering/stable/2021-01-01/Agreements.json
+++ b/specification/marketplaceordering/resource-manager/Microsoft.MarketplaceOrdering/stable/2021-01-01/Agreements.json
@@ -486,6 +486,10 @@
             "operation": {
               "description": "Operation type: Get Agreement, Sign Agreement, Cancel Agreement etc.",
               "type": "string"
+            },
+            "description": {
+              "description": "Operation description.",
+              "type": "string"
             }
           }
         }