diff --git a/src/pages/[platform]/ai/conversation/knowledge-base/index.mdx b/src/pages/[platform]/ai/conversation/knowledge-base/index.mdx
index 7b8a8ec73df..fe9d9453fc5 100644
--- a/src/pages/[platform]/ai/conversation/knowledge-base/index.mdx
+++ b/src/pages/[platform]/ai/conversation/knowledge-base/index.mdx
@@ -124,7 +124,7 @@ const backend = defineBackend({
 const KnowledgeBaseDataSource =
   backend.data.resources.graphqlApi.addHttpDataSource(
     "KnowledgeBaseDataSource",
-    `https://bedrock-runtime.${cdk.Stack.of(backend.data).region}.amazonaws.com`,
+    `https://bedrock-agent-runtime.${cdk.Stack.of(backend.data).region}.amazonaws.com`,
     {
       authorizationConfig: {
         signingRegion: cdk.Stack.of(backend.data).region,