diff --git a/salt-master/README.md b/salt-master/README.md
index 9180569..44fb5b0 100644
--- a/salt-master/README.md
+++ b/salt-master/README.md
@@ -68,6 +68,9 @@ $ salt-key -L
 
 # accept minion keys
 $ salt-key -y -A
+
+# ping minions
+$ salt '*' test.ping
 ```
 
 ## backup volumes