diff --git a/README.md b/README.md
index 09bccce..11f8795 100644
--- a/README.md
+++ b/README.md
@@ -236,9 +236,9 @@ Future<void> closeIncomingCall(
 }
 ```
 
-Pass in your own dialog UI for permissions alerts
+Pass in your own dialog UI for permissions alerts:
 
-````dart
+```dart
 showAlertDialog: () async {
         final BuildContext context = navigatorKey.currentContext!;
 
@@ -284,4 +284,3 @@ Even in this scenario, the `backToForeground()` method will open the app and you
 ## push test tool
 
 Please refer to the [Push Toolkit](/tools/) to test callkeep offline push.
-````