Fixed the flag_approved down migration

src/Database/Migrations/v002/UpdateOrganisationsTable.php

@@ -49,7 +49,7 @@ class UpdateOrganisationsTable extends Migration
     public function down()
     {
         $this->schema->table('organisations', function (Blueprint $table) {
-             $table->dropColumn('flag_verified');
+            $table->dropColumn('flag_approved');
         });
     }
 }