1 files changed, 1 insertions, 1 deletions
diff --git a/hmac.c b/hmac.c
index 2e0e84f6..c4fc7f02 100644
--- a/hmac.c
+++ b/hmac.c
@@ -1,6 +1,6 @@
 /* hmac.c
  *
- * HMAC message authentication code.
+ * HMAC message authentication code (RFC-2104).
  */
 
 /* nettle, low-level cryptographics library