diff --git a/docs/install/prerequisites.rst b/docs/install/prerequisites.rst
index 6d359d78..2823233f 100644
--- a/docs/install/prerequisites.rst
+++ b/docs/install/prerequisites.rst
@@ -420,8 +420,7 @@ through Direct Rendering Manager (DRM) render nodes.
    .. code-block:: shell
 
       echo 'ADD_EXTRA_GROUPS=1' | sudo tee -a /etc/adduser.conf
-      echo 'EXTRA_GROUPS=video' | sudo tee -a /etc/adduser.conf
-      echo 'EXTRA_GROUPS=render' | sudo tee -a /etc/adduser.conf
+      echo 'EXTRA_GROUPS=video render' | sudo tee -a /etc/adduser.conf
 
 Using udev rules
 --------------------------------------------------------------------