diff --git a/codegen/sdk-codegen/aws-models/dataexchange.json b/codegen/sdk-codegen/aws-models/dataexchange.json
index 1cb3735f7b6c..9522b191b924 100644
--- a/codegen/sdk-codegen/aws-models/dataexchange.json
+++ b/codegen/sdk-codegen/aws-models/dataexchange.json
@@ -5718,7 +5718,7 @@
           }
         },
         "Comment": {
-          "target": "com.amazonaws.dataexchange#__stringMin0Max16384",
+          "target": "com.amazonaws.dataexchange#__stringMin0Max4096",
           "traits": {
             "smithy.api#documentation": "<p>Free-form\n         text field for providers to add information about their notifications.</p>"
           }
@@ -6634,6 +6634,15 @@
         }
       }
     },
+    "com.amazonaws.dataexchange#__stringMin0Max4096": {
+      "type": "string",
+      "traits": {
+        "smithy.api#length": {
+          "min": 0,
+          "max": 4096
+        }
+      }
+    },
     "com.amazonaws.dataexchange#__stringMin10Max512": {
       "type": "string",
       "traits": {