diff --git a/interface/wx/popupwin.h b/interface/wx/popupwin.h
index 96c20f6a81..202eae1923 100644
--- a/interface/wx/popupwin.h
+++ b/interface/wx/popupwin.h
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        popupwin.h
-// Purpose:     interface of wxPoppWindow
+// Purpose:     interface of wxPopupWindow
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
 // Licence:     wxWindows licence