diff --git a/interface/wx/region.h b/interface/wx/region.h
index 9685c82f24..f7b9a466a2 100644
--- a/interface/wx/region.h
+++ b/interface/wx/region.h
@@ -159,7 +159,7 @@ public:
         Default constructor.
 
         This constructor creates an invalid, or null, object, i.e. calling
-        IsOk() on it returns @false and IsNull() returns @true.
+        IsOk() on it returns @false and IsEmpty() returns @true.
     */
     wxRegion();
     /**