diff --git a/content/en/docs/concepts/configuration/secret.md b/content/en/docs/concepts/configuration/secret.md
index c54a487468..b6911c5fd9 100644
--- a/content/en/docs/concepts/configuration/secret.md
+++ b/content/en/docs/concepts/configuration/secret.md
@@ -530,9 +530,10 @@ echo $SECRET_USERNAME
 ```
 admin
 ```
-```
+```shell
 echo $SECRET_PASSWORD
 ```
+```
 1f2d1e2e67df
 ```