diff --git a/src/rhcsa.md b/src/rhcsa.md
index cbaaeeb..33b6361 100644
--- a/src/rhcsa.md
+++ b/src/rhcsa.md
@@ -288,6 +288,7 @@ sudo systemctl link /etc/systemd/system/myapp.timer
 
 ### Starting a service ###
 sudo systemctl start myapp
+sudo systemctl start myapp.timer
 ```