diff --git a/README.md b/README.md
index 581aca1..2d8b2f9 100644
--- a/README.md
+++ b/README.md
@@ -13,5 +13,10 @@ chmod +x get-certs.sh
 ./get-certs.sh
 ```
 
-Remember to create a cronjob to run the script every month.
+Remember to create a cron job to run the script every month.
+
+Example:
+```cron
+11 21 * * * /opt/get-certs.sh > /dev/null 2>&1
+```