diff --git a/docs/lindbergh.conf b/docs/lindbergh.conf
index 0608e18..d2b4825 100644
--- a/docs/lindbergh.conf
+++ b/docs/lindbergh.conf
@@ -30,6 +30,7 @@
 
 # Set the different keys used to control the games.
 # You can find out the key numbers by running `xev` on linux.
+# 28=t, 10=1, 39=s, 14=5, 111=Up, 116=Down, 113=Left, 114=Right, 24=q, 25=w, 26=e, 27=r
 # TEST_KEY                28
 # PLAYER_1_START_KEY      10
 # PLAYER_1_SERVICE_KEY    39