diff --git a/man2/time.2 b/man2/time.2
index faff20ffe..a3087dfec 100644
--- a/man2/time.2
+++ b/man2/time.2
@@ -116,6 +116,12 @@ argument is obsolescent and should always be NULL in new code.
 When
 .I tloc
 is NULL, the call cannot fail.
+.\"
+.SS C library/kernel differences
+On some architectures, an implementation of
+.BR time ()
+is provided in the
+.BR vdso (7).
 .SH SEE ALSO
 .BR date (1),
 .BR gettimeofday (2),