[Issue] #4062 Wrong link assigned (#4077)

src/data/roadmaps/flutter/content/103-working-with-assets/102-other-file-types.md

@@ -10,4 +10,4 @@ In Flutter, you can work with different file types besides images. Some common f
 
 Learn more from the following links:
 
-- [File class](https://docs.flutter.dev/cookbook/lists/mixed-list)
+- [File class](https://api.flutter.dev/flutter/dart-io/File-class.html)