clarify changelog, use full url refs

Author: rickeylev

CHANGELOG.md

@@ -71,8 +71,8 @@ END_UNRELEASED_TEMPLATE
   [#2630](https://github.com/bazel-contrib/rules_python/issues/2630)
 * (pypi) From now on the list of default platforms only includes `linux_x86_64`, `linux_aarch64`,
   `osx_x86_64`, `osx_aarch64` and `windows_x86_64`. If you are on other platforms, you need to
-  use the `pip.default` to configure it yourself. If you are interested in graduating the
-  platform, consider helping set us up CI for them and update the documentation.
+  use the `pip.default` to configure it yourself. If you are interested in supporting
+  additional platforms by default, consider donating CI owners and resources.
 * (ci) We are now testing on Ubuntu 22.04 for RBE and non-RBE configurations.
 * (core) `#!/usr/bin/env bash` is now used as a shebang in the stage1 bootstrap template.
 * (gazelle:docs) The Gazelle docs have been migrated from {gh-path}`gazelle/README.md` to
@@ -96,9 +96,10 @@ END_UNRELEASED_TEMPLATE
 * (pypi) The pipstar `defaults` configuration now supports any custom platform
   name.
 * (pypi) The selection of the whls has been changed and should no longer result
-  in ambiguous select matches ({gh-issue}`2759`) and should be much more efficient
-  when running `bazel query` due to fewer repositories being included 
-  ({gh-issue}`2849`).
+  in ambiguous select matches
+  ([#2759](https://github.com/bazel-contrib/rules_python/issues/2759)).
+* (pypi) `bazel query` will match fewer unnecessary wheels and be more efficient
+  ([#2849](https://github.com/bazel-contrib/rules_python/issues/2849)).
 * Multi-line python imports (e.g. with escaped newlines) are now correctly processed by Gazelle.
 * (toolchains) `local_runtime_repo` works with multiarch Debian with Python 3.8
   ([#3099](https://github.com/bazel-contrib/rules_python/issues/3099)).