- Updated Doxygen documentation generation and documentation on small parts

diff --git a/include/polarssl/aes.h b/include/polarssl/aes.h
index f9b6825..c94478b 100644
--- a/include/polarssl/aes.h
+++ b/include/polarssl/aes.h
@@ -1,7 +1,7 @@
 /**
  * \file aes.h
  *
- * \brief AES block cipher encryption
+ * \brief AES block cipher
  *
  *  Copyright (C) 2006-2010, Brainspark B.V.
  *