diff --git a/README.md b/README.md
index 3b21ace..06fab1a 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ This automatically creates the following bind mounts:
 
 ### Permissions
 
-In the container the webserver runs as the http user (UID and GID 33). If you created the directories manually, it is important to ensure that the Ampache Configuration, and log directories are readable and writeable by that user.
+If not specified, the webserver in the container runs as the http user (UID and GID 33). If you created the directories manually, it is important to ensure that the Ampache Configuration, and log directories are readable and writeable by that user.
 
 ```bash
 chown 33:33 ./data/config -R
@@ -56,6 +56,8 @@ Optionally, the media directory should be writable as if you wish to allow uploa
 chgrp 33 ./data/media && chmod g+w ./data/media
 ```
 
+If you need another `UID` or `GID` you can specify them via the corresponding environment variables.
+
 ## Image Variants
 
 For more advanced users a few different image variants are available.