- Fixed doxygen blocks

diff --git a/include/polarssl/aes.h b/include/polarssl/aes.h
index 5f6c198..b79894c 100644
--- a/include/polarssl/aes.h
+++ b/include/polarssl/aes.h
@@ -141,7 +141,7 @@
                        const unsigned char *input,
                        unsigned char *output );
 
-/*
+/**
  * \brief               AES-CTR buffer encryption/decryption
  *
  * Warning: You have to keep the maximum use of your counter in mind!