diff --git a/README.md b/README.md
index 763f208..7e87c34 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ Foreground
    * install dolphin (`snap install dolphin-emulator --beta`)
       * `snap run dolphin-emulator.dolphin-emu`
    * install docker (https://docs.docker.com/engine/install/debian/)
-* `docker ps`
+      * `usermod -aG docker gm`
+* `newgrp docker; docker ps`
 * `d=$HOME/Go/src/gogs.inhome.blapointe.com; mkdir -p $d; cd $d`
 * `git clone https://gogs.inhome.blapointe.com/bel/mayhem-party-venue.git mayhem-party-venue.d`