diff --git a/lib/config.py b/lib/config.py
index c1c857b4834ff70f98c9be0df5c757e156fdf6ae..c7c3cc6e756c960179eed8528b4d4d73eebde7ca 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -1682,7 +1682,7 @@ class ConfigWriter:
     """Changes the group of a number of nodes.
 
     @type mods: list of tuples; (node name, new group UUID)
-    @param modes: Node membership modifications
+    @param mods: Node membership modifications
 
     """
     groups = self._config_data.nodegroups