docs: renice(1): Add credentials(7) to SEE ALSO

credentials(7) explains concepts such as "process group".

Signed-off-by: Michael Kerrisk <mtk.man-pages@gmail.com>

diff --git a/sys-utils/renice.1 b/sys-utils/renice.1
index c4403770610f21d3d806082b4d0bd5d55101ccfc..5ac8e4b8d1c2587888e8f1e391c9e4df87265787 100644 (file)
--- a/sys-utils/renice.1
+++ b/sys-utils/renice.1
@@ -106,6 +106,7 @@ to map user names to user IDs
 .BR nice (1),
 .BR getpriority (2),
 .BR setpriority (2),
+.BR credentials (7),
 .BR sched (7)
 .SH HISTORY
 The