docs(package_info_plus): doc ref links and unnecessary library names (#3433)

Author: weasdown

packages/package_info_plus/package_info_plus/README.md

@@ -76,7 +76,7 @@ See https://github.com/fluttercommunity/plus_plugins/issues/309
 #### I see wrong version on Windows platform
 
 There was an [issue](https://github.com/flutter/flutter/issues/73652) in Flutter, which is already resolved since Flutter 3.3.
-If your project was created before Flutter 3.3 you need to migrate the project according to [this guide] (https://docs.flutter.dev/release/breaking-changes/windows-version-information) first to get correct version with `package_info_plus`
+If your project was created before Flutter 3.3 you need to migrate the project according to [this guide](https://docs.flutter.dev/release/breaking-changes/windows-version-information) first to get correct version with `package_info_plus`
 
 ### Web
 

packages/package_info_plus/package_info_plus/lib/package_info_plus.dart

@@ -53,8 +53,8 @@ class PackageInfo {
   ///
   ///     With this, the package will try to search the file in `https://cdn.domain.com/with/some/path/version.json`
   ///
-  ///   * The second option where it will search is the [assetBase] parameter
-  ///     that you can pass to the Flutter Web Engine when you initialize it.
+  ///   * The second option where it will search is the [assetBase](https://docs.flutter.dev/platform-integration/web/initialization#customize-the-flutter-loader)
+  ///     parameter that you can pass to the Flutter Web Engine when you initialize it.
   ///
   ///     ```javascript
   ///     _flutter.loader.loadEntrypoint({