diff --git a/bin/delv/delv.c b/bin/delv/delv.c
index 5896390bf3..d62b8f7a13 100644
--- a/bin/delv/delv.c
+++ b/bin/delv/delv.c
@@ -196,7 +196,8 @@ usage(void) {
 "                 +[no]trust          (Control display of trust level)\n"
 "                 +[no]unknownformat  (Print RDATA in RFC 3597 "
 					"\"unknown\" format)\n"
-"                 +[no]vtrace         (Trace validation process)\n",
+"                 +[no]vtrace         (Trace validation process)\n"
+"                 +[no]yaml           (Present the results as YAML)\n",
 	stderr);
 	exit(1);
 }
diff --git a/bin/dig/dig.c b/bin/dig/dig.c
index 41a25bc343..e8541aea64 100644
--- a/bin/dig/dig.c
+++ b/bin/dig/dig.c
@@ -239,6 +239,7 @@ help(void) {
 "                 +[no]unknownformat  (Print RDATA in RFC 3597 \"unknown\" "
 					"format)\n"
 "                 +[no]vc             (TCP mode (+[no]tcp))\n"
+"                 +[no]yaml           (Present the results as YAML)\n"
 "                 +[no]zflag          (Set Z flag in query)\n"
 "        global d-opts and servers (before host name) affect all queries.\n"
 "        local d-opts and servers (after host name) affect only that lookup.\n"