diff --git a/Dockerfile b/Dockerfile
index 78d5678..931e20c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,12 @@
 FROM fedora:35
 LABEL maintainer="me@jlay.io" \
 	org.opencontainers.image.authors="me@jlay.io"
-ARG PUID=1000
 
+# site customizations below, change as necessary (eg: to match Docker volume host UID/GID owners)
+ARG PUID=1001
+ARG PGID=1002
+
+# set the user, homedir, and steamcmd directories as (env) variables
 ENV USER steam
 ENV HOMEDIR "/home/${USER}"
 ENV STEAMCMDDIR "${HOMEDIR}/steamcmd"