diff --git a/src/calibre/utils/fonts/woff/main.c b/src/calibre/utils/fonts/woff/main.c
index 827c1365d5..9014fe250e 100644
--- a/src/calibre/utils/fonts/woff/main.c
+++ b/src/calibre/utils/fonts/woff/main.c
@@ -2,7 +2,7 @@
  * main.c
  * Copyright (C) 2012 Kovid Goyal <kovid at kovidgoyal.net>
  *
- * Distributed under terms of the GPL3 license.
+ * Distributed under terms of the GPL2+ license.
  */