Comment trips up wmllint in a way that demonstrates its not needed.

data/core/macros/interface-utils.cfg

@@ -209,7 +209,6 @@
 #define SET_LABEL_PERSISTENT X Y STRING
     # Sets a label on tile x,y that gets reset every sideturn in case
     # someone clears it.
-    # This used to be spelled SET_LABEL_PERSISTANT
     #
     # Example:
     #! {SET_LABEL_PERSISTENT 4 7 _ "There really will be dragons here!!"}