Replace link to closed issue

doc/administration/gitaly/praefect.md

@@ -1248,8 +1248,9 @@ affected repositories. Praefect provides tools for:
 - [Automatic](#automatic-reconciliation) reconciliation, for GitLab 13.4 and later.
 - [Manual](#manual-reconciliation) reconciliation, for:
   - GitLab 13.3 and earlier.
-  - Repositories upgraded to GitLab 13.4 and later without entries in the `repositories` table.
-    A migration tool [is planned](https://gitlab.com/gitlab-org/gitaly/-/issues/3033).
+  - Repositories upgraded to GitLab 13.4 and later without entries in the `repositories` table. In
+    GitLab 13.6 and later, [a migration is run](https://gitlab.com/gitlab-org/gitaly/-/issues/3033)
+    when Praefect starts for these repositories.
 
 These tools reconcile the outdated repositories to bring them fully up to date again.