diff --git a/docusaurus/docs/Flutter/guides/migration_guide_2_0.mdx b/docusaurus/docs/Flutter/guides/migration_guide_2_0.mdx
index 1dcf969c..8f5a6864 100644
--- a/docusaurus/docs/Flutter/guides/migration_guide_2_0.mdx
+++ b/docusaurus/docs/Flutter/guides/migration_guide_2_0.mdx
@@ -57,7 +57,7 @@ The changes will be listed by package and a concise changelog will follow with m
 
 * `MessageBuilder` and `ParentMessageBuilder` signature is now
 
-```
+```dart
 typedef MessageBuilder = Widget Function(
     BuildContext,
     MessageDetails,