--- a/Beremiz.py	Wed Apr 20 17:30:16 2016 +0300
+++ b/Beremiz.py	Thu Apr 21 17:40:52 2016 +0300
@@ -994,7 +994,7 @@
         self.Close()
 
     def OnAboutMenu(self, event):
-        OpenHtmlFrame(self,_("About Beremiz"), Bpath("doc", "about.html"), wx.Size(550, 500))
+        OpenHtmlFrame(self,_("About Beremiz"), Bpath("doc", _("about.html")), wx.Size(550, 500))
 
     def OnProjectTreeItemBeginEdit(self, event):
         selected = event.GetItem()