diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h
index 306cd814da..2ee4558b94 100644
--- a/include/wx/msw/window.h
+++ b/include/wx/msw/window.h
@@ -168,9 +168,10 @@ public:
     void AssociateHandle(WXWidget handle) wxOVERRIDE;
     void DissociateHandle() wxOVERRIDE;
 
-    // returns the handle of the focused window (i.e. in composite windows
-    // which can't be implemented via a set of wxControl's focus may be wanted
-    // by a subwindow instead of the main window)
+    // returns the handle of the native window to focus when this wxWindow gets
+    // focus  (i.e. in composite windows: by default, this is just the HWND for
+    // this window itself, but it can be overridden to return something
+    // different for composite controls
     virtual WXHWND MSWGetFocusHWND() const { return GetHWND(); }
 
     // does this window have deferred position and/or size?