diff --git a/Volume-Management.md b/Volume-Management.md
index cc60503..86ff0de 100644
--- a/Volume-Management.md
+++ b/Volume-Management.md
@@ -65,4 +65,4 @@ The balancing plan will try to evenly spread the number of writable and readonly
 
 Run `weed shell` and `volume.mount -node <host>:<port> -volumeId <id>` to mount a volume file.
 
-You can also execute locally on volume server `kill -s HUP $(pgrep -f "weed volume")` to mount for all new volume files.
+You can also execute locally on volume server `pkill -HUP -f "weed volume"` to mount all new volume files.