diff --git a/doc/development/search/advanced_search_migration_styleguide.md b/doc/development/search/advanced_search_migration_styleguide.md
index 30211dd874834d288e93298786cb120c8c0a00a4..e2468f458e18f3e1d0818fdca73146cd87fb0864 100644
--- a/doc/development/search/advanced_search_migration_styleguide.md
+++ b/doc/development/search/advanced_search_migration_styleguide.md
@@ -509,5 +509,6 @@ recent obsolete migration.
 
 The MR assignee must:
 
+1. Backup migrations from the default branch to the [migration graveyard](https://gitlab.com/gitlab-org/search-team/migration-graveyard)
 1. Verify that no references to the migration or spec files exist in the `.rubocop_todo/` directory.
 1. Push any required changes to the merge request.
diff --git a/keeps/delete_obsolete_advanced_search_migrations.rb b/keeps/delete_obsolete_advanced_search_migrations.rb
index 6eded3b3b33d9751b6470b8dd308eceb1a101df1..0ba71ff5a0d2fcde314f255bf089f7420095507a 100644
--- a/keeps/delete_obsolete_advanced_search_migrations.rb
+++ b/keeps/delete_obsolete_advanced_search_migrations.rb
@@ -82,7 +82,7 @@ def create_remove_obsolete_change
         'maintenance::removal',
         GROUP_LABEL
       ]
-      change.reviewers = groups_helper.pick_reviewer(group_data, change.identifiers)
+      change.assignees = groups_helper.pick_reviewer(group_data, change.identifiers)
       change.changelog_ee = true
 
       # rubocop:disable Gitlab/DocUrl -- Not running inside rails application
@@ -96,6 +96,11 @@ def create_remove_obsolete_change
         [required stop](https://docs.gitlab.com/ee/development/database/required_stops.html) as obsolete migrations
         before removing the migration code from the project. Therefore we can remove code for all Advanced search
         migrations that were made obsolete before the last required stop.
+
+        ## Tasks to complete before merging
+
+        - [ ] Update the archive of migrations in https://gitlab.com/gitlab-org/search-team/migration-graveyard
+        - [ ] Remove references to affected migration or spec files from Rubocop TODOs
       MARKDOWN
       # rubocop:enable Gitlab/DocUrl