diff --git a/docs/en/setup/backend/endpoint-grouping-rules.md b/docs/en/setup/backend/endpoint-grouping-rules.md
index 5f21613fdf..da1ac79468 100644
--- a/docs/en/setup/backend/endpoint-grouping-rules.md
+++ b/docs/en/setup/backend/endpoint-grouping-rules.md
@@ -286,7 +286,7 @@ Here are some use cases:
    | `/products/123:<GET>` | serviceB | default | `${PATH}:<${METHOD}>` | default | true | `GET:/products/{id}` |
 
 ### Initialize and update the OpenAPI definitions dynamically
-Use [Dynamic Configuration](dynamic-config) to initialize and update OpenAPI definitions, the endpoint grouping rules from OpenAPI
+Use [Dynamic Configuration](dynamic-config.md) to initialize and update OpenAPI definitions, the endpoint grouping rules from OpenAPI
 will re-create by the new config.