diff --git a/clients/client-bedrock-agent-runtime/src/models/models_0.ts b/clients/client-bedrock-agent-runtime/src/models/models_0.ts
index ee3f45945dee..18bd44e1b8a3 100644
--- a/clients/client-bedrock-agent-runtime/src/models/models_0.ts
+++ b/clients/client-bedrock-agent-runtime/src/models/models_0.ts
@@ -876,7 +876,7 @@ export interface ByteContentFile {
   mediaType: string | undefined;
 
   /**
-   * <p>The byte value of the file to attach, encoded as Base-64 string. The maximum size of all files that is attached is 10MB. You can attach a maximum of 5 files. </p>
+   * <p>The raw bytes of the file to attach. The maximum size of all files that is attached is 10MB. You can attach a maximum of 5 files. </p>
    * @public
    */
   data: Uint8Array | undefined;
diff --git a/codegen/sdk-codegen/aws-models/bedrock-agent-runtime.json b/codegen/sdk-codegen/aws-models/bedrock-agent-runtime.json
index 1e316e03d308..8c846a98a6aa 100644
--- a/codegen/sdk-codegen/aws-models/bedrock-agent-runtime.json
+++ b/codegen/sdk-codegen/aws-models/bedrock-agent-runtime.json
@@ -1119,7 +1119,7 @@
         "data": {
           "target": "com.amazonaws.bedrockagentruntime#ByteContentBlob",
           "traits": {
-            "smithy.api#documentation": "<p>The byte value of the file to attach, encoded as Base-64 string. The maximum size of all files that is attached is 10MB. You can attach a maximum of 5 files. </p>",
+            "smithy.api#documentation": "<p>The raw bytes of the file to attach. The maximum size of all files that is attached is 10MB. You can attach a maximum of 5 files. </p>",
             "smithy.api#required": {}
           }
         }
@@ -4736,8 +4736,7 @@
       },
       "traits": {
         "smithy.api#length": {
-          "min": 2,
-          "max": 5
+          "min": 2
         }
       }
     },