1 files changed, 1 insertions, 1 deletions
diff --git a/etrn.c b/etrn.c
index 61e3fd9a..5b6a56bf 100644
--- a/etrn.c
+++ b/etrn.c
@@ -1,5 +1,5 @@
 /*
- * etrn.c -- ETRN protocol methods
+ * etrn.c -- ETRN protocol methods (see RFC 1985)
  *
  * For license terms, see the file COPYING in this directory.
  */