diff --git a/usr.bin/mktemp/mktemp.1 b/usr.bin/mktemp/mktemp.1
index c0f9c08ae4b0..9a0140235b0b 100644
--- a/usr.bin/mktemp/mktemp.1
+++ b/usr.bin/mktemp/mktemp.1
@@ -186,6 +186,10 @@ A
 .Nm
 utility appeared in
 .Ox 2.1 .
-This implementation has been written independently based on the man page.
+This implementation was written independently based on the 
+.Ox
+man page, and
+first appeared in
+.Fx 2.2.7 .
 This man page is taken from
 .Ox