Expand message.

Fixes #62811.

Author: desrosj

.github/workflows/close-pulls.yml

@@ -67,7 +67,12 @@ jobs:
         with:
           script: |
             const prNumbers = ${{ steps.pr-results.outputs.result }};
-            const commentBody = 'A commit was made to the WordPress SVN respository that fixes a Trac ticket referenced in the pull request description. This PR will be closed, but please confirm the accuracy of this.';
+            const commentBody = 'A commit was made that fixes a Trac ticket referenced in the description of this pull request.
+
+            SVN changeset: [${{ steps.git-svn-id.outputs.svn_revision_number }}](https://core.trac.wordpress.org/changeset/${{ steps.git-svn-id.outputs.svn_revision_number }})
+            GitHub changeset: ${{ github.sha }}
+
+            This PR will be closed, but please confirm the accuracy of this and reopen if there is more work to be done.';
 
             for (const prNumber of prNumbers) {
               await github.rest.issues.createComment({