Add comment to package:intl pubspec. (#980)
diff --git a/pkgs/intl/pubspec.yaml b/pkgs/intl/pubspec.yaml
index 8adc45a..20824ff 100644
--- a/pkgs/intl/pubspec.yaml
+++ b/pkgs/intl/pubspec.yaml
@@ -1,5 +1,5 @@
name: intl
-version: 0.20.3-wip
+version: 0.20.3-wip # This should follow semver to not break Flutter, where it is unpinned, see https://github.com/flutter/flutter/blob/main/pubspec.yaml
description: >-
Contains code to deal with internationalized/localized messages, date and
number formatting and parsing, bi-directional text, and other
