diff --git a/README.md b/README.md
index acd7f8d..db3d6de 100644
--- a/README.md
+++ b/README.md
@@ -1109,6 +1109,7 @@ date +'%d-%b-%Y-%H:%M:%S'
 ```
 
 ##### wait for random duration (e.g. sleep 1-5 second, like adding a jitter)
+```bash
 sleep $[ ( $RANDOM % 5 ) + 1 ]
 ```