--- zzzz-none-000/linux-3.10.107/tools/perf/Documentation/perf-lock.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/tools/perf/Documentation/perf-lock.txt	2021-02-04 17:41:59.000000000 +0000
@@ -48,7 +48,7 @@
 -k::
 --key=<value>::
         Sorting key. Possible values: acquired (default), contended,
-        wait_total, wait_max, wait_min.
+	avg_wait, wait_total, wait_max, wait_min.
 
 INFO OPTIONS
 ------------