diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 05ad1c92e..3e2ad0167 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -104,6 +104,7 @@ wq2526 <wq2526@126.com>
 wrfly <mr.wrfly@gmail.com>
 Xiang Li <xiangli.cs@gmail.com>
 Xiangning (Shannon) <31495840+shannonxn@users.noreply.github.com>
+Xiao An <hac@zju.edu.cn>
 xiaohuo <xiaohuo200@gmail.com>
 Xie.CS <xie1995@whut.edu.cn>
 xiechengsheng <XIE1995@whut.edu.cn>
@@ -122,6 +123,7 @@ zeppp <30573528+zeppp@users.noreply.github.com>
 zeppp <zc951016@outlook.com>
 zeppp <zeppp1995@gmail.com>
 ZeroMagic <anthonyliu65535@gmail.com>
+ZeroMagic <anthonyliu@zju.edu.cn>
 Zhanchun Zhang <zzchun@zju.edu.cn>
 Zhang Min <rudyflyzhang@gmail.com>
 Zhang Zhanchun <zzchun@zju.edu.cn>
diff --git a/docs/commandline/pouch_update.md b/docs/commandline/pouch_update.md
index 5715e5945..b0d112ef6 100644
--- a/docs/commandline/pouch_update.md
+++ b/docs/commandline/pouch_update.md
@@ -30,8 +30,8 @@ $ cat /sys/fs/cgroup/memory/8649804cb63ff9713a2734d99728b9d6d5d1e4d2fbafb2b4dbdf
       --cpu-period int        Limit CPU CFS (Completely Fair Scheduler) period, range is in [1000(1ms),1000000(1s)]
       --cpu-quota int         Limit CPU CFS (Completely Fair Scheduler) quota
       --cpu-shares int        CPU shares (relative weight)
-      --cpuset-cpus string    CPUs in cpuset
-      --cpuset-mems string    MEMs in cpuset
+      --cpuset-cpus string    CPUs in cpuset which to allow execution (0-3, 0, 1)
+      --cpuset-mems string    MEMs in cpuset which to allow execution (0-3, 0, 1)
       --disk-quota strings    Update disk quota for container(/=10g)
   -e, --env strings           Set environment variables for container
   -h, --help                  help for update