Update README.md

typo

mongo/README.md

@@ -51,7 +51,7 @@ Support for older versions (down to 1.0) is provided on a best-effort basis.
 
 ## Documentation
 
-Documentation for this image is stored in the [`mongo/` directory](https://github.com/docker-library/docs/tree/master/mongo) of the [`docker-library/docs` GitHub repo](https://github.com/docker-library/docs). Be sure to familiarize yourself with the [repository's `REAMDE.md` file](https://github.com/docker-library/docs/blob/master/README.md) before attempting a pull request.
+Documentation for this image is stored in the [`mongo/` directory](https://github.com/docker-library/docs/tree/master/mongo) of the [`docker-library/docs` GitHub repo](https://github.com/docker-library/docs). Be sure to familiarize yourself with the [repository's `README.md` file](https://github.com/docker-library/docs/blob/master/README.md) before attempting a pull request.
 
 ## Issues