diff --git a/interface/wx/dialog.h b/interface/wx/dialog.h
index 8ab09c5316..7c25c71732 100644
--- a/interface/wx/dialog.h
+++ b/interface/wx/dialog.h
@@ -166,7 +166,10 @@ public:
         Constructor.
 
         @param parent
-            Can be @NULL, a frame or another dialog box.
+            Can be @NULL, a frame or another dialog box. Please note that when
+            the parent is @NULL, the dialog will be owned by the application's
+            top window, if any. Use ::wxDIALOG_NO_PARENT style to really make
+            dialog not owned by any window.
         @param id
             An identifier for the dialog. A value of -1 is taken to mean a
             default.