Update overview/contributing.mdx

Author: enyst

overview/contributing.mdx

@@ -170,7 +170,7 @@ OpenHands is released under the **MIT License**, which means:
 
 *Full license text: [LICENSE](https://github.com/OpenHands/OpenHands/blob/main/LICENSE)*
 
-Content in the `enterprise/` directory has a separate license, so we can't accept external pull requests for changes there right now. See `enterprise/LICENSE` for details.
+Content in the `enterprise/` directory has a separate license. See `enterprise/LICENSE` for details.
 
 ## Ready to make your first contribution?