diff --git a/library/cmac.c b/library/cmac.c
index b2fe713..035ad07 100644
--- a/library/cmac.c
+++ b/library/cmac.c
@@ -1,4 +1,4 @@
-/*
+/**
  * \file cmac.c
  *
  * \brief NIST SP800-38B compliant CMAC implementation for AES and 3DES