diff --git a/README.md b/README.md
index f8128f8..6da8cbe 100644
--- a/README.md
+++ b/README.md
@@ -47,8 +47,8 @@ If you are looking for a fast way to either run rTorrent and Flood using just on
 If it's not your intention to control rTorrent from a third-party application, do not use port ```16891```.
 
 ## Environment variables
-- **UID** : user id (default : 666)
-- **GID** : group id (defaut : 666)
+- **PUID** : user id (default : 666)
+- **PGID** : group id (defaut : 666)
 
 ## Volumes