diff --git a/lib/libc/sys/chflags.2 b/lib/libc/sys/chflags.2
index 59979a3058d..ab8af51f3d6 100644
--- a/lib/libc/sys/chflags.2
+++ b/lib/libc/sys/chflags.2
@@ -232,3 +232,7 @@ and
 .Fn fchflags
 system calls first appeared in
 .Bx 4.4 .
+The
+.Fn lchflags
+system call first appeared in
+.Fx 5.0 .