cmac: more cosmetic changes
diff --git a/include/mbedtls/cmac.h b/include/mbedtls/cmac.h
index 3b5c13e..c2ae83b 100644
--- a/include/mbedtls/cmac.h
+++ b/include/mbedtls/cmac.h
@@ -108,6 +108,7 @@
/**
* \brief AES-CMAC-128-PRF
+ * TODO: add reference to the standard
*
* \param ctx CMAC context
* \param key PRF key
@@ -115,6 +116,7 @@
* \param input buffer holding the input data
* \param in_len length of the input data in bytes
* \param tag buffer holding the tag to verify (16 bytes)
+ * TODO: update description of tag
*
* \return 0 if successful
*/