diff --git a/lib/main.dart b/lib/main.dart
index 4ae5d27..1dcce24 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -11,6 +11,9 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+      ),
       home: const MyHomePage(),
     );
   }
diff --git a/package.json b/package.json
index 0a29564..acf5afa 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "jira-prepare-commit-msg": "^1.7.2"
   },
   "jira-prepare-commit-msg": {
-    "messagePattern": "$J $M",
+    "messagePattern": "[$J] $M",
     "allowEmptyCommitMessage": false,
     "ignoredBranchesPattern": "^(master|main|dev|develop|development|release)$"
   },