diff --git a/openapi-internal.yaml b/openapi-internal.yaml
index bb057c9..664295a 100644
--- a/openapi-internal.yaml
+++ b/openapi-internal.yaml
@@ -629,6 +629,7 @@ components:
       - AssetID
       - AssetVersion
       - TargetAssetID
+      - Description
       type: object
       properties:
         OperationID:
@@ -661,6 +662,9 @@ components:
           type: integer
           format: int64
           minimum: 0
+        Description:
+          type: string
+          maxLength: 256
     SubmissionCreate:
       required:
       - OperationID
diff --git a/openapi.yaml b/openapi.yaml
index 16869ba..a80f2b0 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -1508,6 +1508,7 @@ components:
       required:
       - AssetID
       - TargetAssetID
+      - Description
       type: object
       properties:
         AssetID:
@@ -1518,6 +1519,9 @@ components:
           type: integer
           format: int64
           minimum: 0
+        Description:
+          type: string
+          maxLength: 256
     Operation:
       required:
       - OperationID