diff --git a/SC3044.md b/SC3044.md
index f3910f4..5740f5c 100644
--- a/SC3044.md
+++ b/SC3044.md
@@ -30,7 +30,7 @@ var="value"
 ```
 
 If declaring a variable read-only:
-```
+```sh
 var=value
 readonly var
 ```