1 files changed, 1 insertions, 0 deletions

diff --git a/networking/telnetd.c b/networking/telnetd.c
index 33020f1b4..9e7a84cce 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -125,6 +125,7 @@ remove_iacs(struct tsession *ts, int *pnum_totty)
                         /* We map \r\n ==> \r for pragmatic reasons.
                          * Many client implementations send \r\n when
                          * the user hits the CarriageReturn key.
+                         * See RFC 1123 3.3.1 Telnet End-of-Line Convention.
                          */
                         if (c == '\r' && ptr < end && (*ptr == '\n' || *ptr == '\0'))
                                 ptr++;