diff --git a/internal/db/schema/migrations/oss/postgres/91/05_deletion_tables_view.up.sql b/internal/db/schema/migrations/oss/postgres/91/05_deletion_tables_view.up.sql
index 82b5cad9ae..ccdf35647c 100644
--- a/internal/db/schema/migrations/oss/postgres/91/05_deletion_tables_view.up.sql
+++ b/internal/db/schema/migrations/oss/postgres/91/05_deletion_tables_view.up.sql
@@ -6,10 +6,13 @@ begin;
   -- This is being replaced with a view.
   drop function get_deletion_tables;
 
+  -- This view uses the pg_catalog to find all tables that end in _deleted and are visibile.
+  -- See: https://www.postgresql.org/docs/current/catalog-pg-class.html
+  --      https://www.postgresql.org/docs/current/functions-info.html#FUNCTIONS-INFO-SCHEMA
   create view deletion_table as
     select c.relname as tablename
       from pg_catalog.pg_class c
-     where c.relkind in ('r')
+     where c.relkind in ('r') -- r = ordinary table
        and c.relname operator(pg_catalog.~) '^(.+_deleted)$' collate pg_catalog.default
        and pg_catalog.pg_table_is_visible(c.oid);
 commit;