diff --git a/lib/libc/stdio/mktemp.3 b/lib/libc/stdio/mktemp.3
index 30610f27636d..8199796d4857 100644
--- a/lib/libc/stdio/mktemp.3
+++ b/lib/libc/stdio/mktemp.3
@@ -205,4 +205,12 @@ function appeared in
 The 
 .Fn mkdtemp
 function first appeared in
-.Ox 2.2 .
+.Ox 2.2 ,
+and later in
+.Fx 3.2 .
+The 
+.Fn mkstemps
+function first appeared in the GNU C Library and later in
+.Fx 3.4 
+and
+.Ox 2.4 .