diff --git a/evennia/contrib/grid/ingame_map_display/README.md b/evennia/contrib/grid/ingame_map_display/README.md
index 3e52089cfd..54c4db6e32 100644
--- a/evennia/contrib/grid/ingame_map_display/README.md
+++ b/evennia/contrib/grid/ingame_map_display/README.md
@@ -21,7 +21,7 @@ Specifically, in `mygame/commands/default_cmdsets.py`:
 ...
 from evennia.contrib.grid.ingame_map_display import MapDisplayCmdSet   # <---
 
-class CharacterCmdset(default_cmds.Character_CmdSet):
+class CharacterCmdset(default_cmds.CharacterCmdSet):
     ...
     def at_cmdset_creation(self):
         ...