diff --git a/images/docker-firefox.md b/images/docker-firefox.md
index 57924e87d..05cb7edee 100755
--- a/images/docker-firefox.md
+++ b/images/docker-firefox.md
@@ -43,6 +43,9 @@ By default the user/pass is abc/abc, if you change your password or want to logi
 
 * http://yourhost:3000/?login=true
 
+If you need to set the on-screen keyboard to a different layout, please use the environment variable `KEYBOARD=<keymap>` A list of keymaps is available below
+* https://github.com/linuxserver/gclient#keyboard-layouts
+
 ## Usage
 
 To help you get started creating a container from this image you can either use docker-compose or the docker cli.