Language fix: "difference licenses"

Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
diff --git a/AUTHORS b/AUTHORS
index fb35d24..fe3d3b4 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -3,7 +3,7 @@
  * Copyright (C) 2011-2013  Xiph.Org Foundation
  *
  * This file is part the FLAC project.  FLAC is comprised of several
- * components distributed under difference licenses.  The codec libraries
+ * components distributed under different licenses.  The codec libraries
  * are distributed under Xiph.Org's BSD-like license (see the file
  * COPYING.Xiph in this distribution).  All other programs, libraries, and
  * plugins are distributed under the GPL (see COPYING.GPL).  The documentation