1 files changed, 2 insertions, 1 deletions
diff --git a/lib/md5.c b/lib/md5.c
index 27d2a5499..92f1ff23d 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -1,4 +1,5 @@
-/*
+/** \ingroup signature
+ * \file lib/md5.c
  * This code implements the MD5 message-digest algorithm.
  * The algorithm is due to Ron Rivest.  This code was
  * written by Colin Plumb in 1993, no copyright is claimed.