Fix link to Intl class in readme

PiperOrigin-RevId: 335737693
diff --git a/README.md b/README.md
index d082734..fe53456 100644
--- a/README.md
+++ b/README.md
@@ -326,7 +326,7 @@
 ```
 
 [intl_lib]: https://pub.dev/documentation/intl/latest/intl/intl-library.html
-[Intl]: https://pub.dev/documentation/intl
+[Intl]: https://pub.dev/documentation/intl/latest/intl/Intl-class.html
 [DateFormat]: https://pub.dev/documentation/intl/latest/intl/DateFormat-class.html
 [NumberFormat]: https://pub.dev/documentation/intl/latest/intl/NumberFormat-class.html
 [withLocale]: https://pub.dev/documentation/intl/latest/intl/Intl/withLocale.html