diff --git a/include/wx/anybutton.h b/include/wx/anybutton.h
index ebeac3b551..4e230be83d 100644
--- a/include/wx/anybutton.h
+++ b/include/wx/anybutton.h
@@ -1,9 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/anybutton.h
 // Purpose:     wxAnyButtonBase class
-// Author:      Vadim Zetlin
+// Author:      Vadim Zeitlin
 // Created:     2000-08-15 (extracted from button.h)
-// Copyright:   (c) Vadim Zetlin
+// Copyright:   (c) Vadim Zeitlin
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
diff --git a/include/wx/button.h b/include/wx/button.h
index 71dbee41de..ccea9e76e8 100644
--- a/include/wx/button.h
+++ b/include/wx/button.h
@@ -1,10 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/button.h
 // Purpose:     wxButtonBase class
-// Author:      Vadim Zetlin
+// Author:      Vadim Zeitlin
 // Modified by:
 // Created:     15.08.00
-// Copyright:   (c) Vadim Zetlin
+// Copyright:   (c) Vadim Zeitlin
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
diff --git a/include/wx/colordlg.h b/include/wx/colordlg.h
index b4156d1460..4762c8cf52 100644
--- a/include/wx/colordlg.h
+++ b/include/wx/colordlg.h
@@ -1,7 +1,7 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/colordlg.h
 // Purpose:     wxColourDialog
-// Author:      Vadim Zeitiln
+// Author:      Vadim Zeitlin
 // Modified by:
 // Created:     01/02/97
 // Copyright:   (c) wxWidgets team