diff --git a/docs/en-US/management-server-install-prepare-os.xml b/docs/en-US/management-server-install-prepare-os.xml
index ee76a5f1566..ef78731e81a 100644
--- a/docs/en-US/management-server-install-prepare-os.xml
+++ b/docs/en-US/management-server-install-prepare-os.xml
@@ -34,7 +34,7 @@
Make sure that the machine can reach the Internet.
- ping www.google.com
+ ping www.cloudstack.org
Turn on NTP for time synchronization.