Update README.md

README.md

@@ -5,7 +5,7 @@ The optional `-x` flag may be used to remove the specified repositories or tagge
 
 NOTES:
   - This script stops the Registry container during cleanup to prevent corruption, making it temporarily unavailable to clients.
-  - This script assumes local storage (the **filesystem** storage driver).
+  - This script assumes the [filesystem](https://github.com/docker/distribution/blob/master/docs/configuration.md#storage) storage driver.
   - This script may run stand-alone (on local setups) or dockerized (which supports both local and remote Docker setups). To run stand-alone, you must install **docker-py** and **pyyaml** with:
   
   `pip3 install docker pyyaml`