diff --git a/wadsrc/static/zscript/actor.txt b/wadsrc/static/zscript/actor.txt
index bec97eda3..61afdef0d 100644
--- a/wadsrc/static/zscript/actor.txt
+++ b/wadsrc/static/zscript/actor.txt
@@ -453,7 +453,9 @@ class Actor : Thinker native
 		return -1;
 	}
 
-	// Called when the player presses 'use' and an actor is found
+	// Called when the player presses 'use' and an actor is found, except if the
+	// UseSpecial flag is set. Use level.ExecuteSpecial to call action specials
+	// instead.
 	virtual bool Used(Actor user)
 	{
 		return false;