diff --git a/packages/metadata-protocol/src/migrations/runtime-index-preflight.ts b/packages/metadata-protocol/src/migrations/runtime-index-preflight.ts
index fa5c4bd95c3..43be5f56236 100644
--- a/packages/metadata-protocol/src/migrations/runtime-index-preflight.ts
+++ b/packages/metadata-protocol/src/migrations/runtime-index-preflight.ts
@@ -148,8 +148,8 @@ export interface RuntimeIndexDuplicateGroup {
     /**
      * The key, exactly as the migration's query projects it: a bare column
      * name, or `<column>_key` for a column whose NULLs the index folds into a
-     * sentinel bucket. Neither sentinel can occur in real data, so
-     * `organization_id_key = '__global__'` reads as "organization_id IS NULL".
+     * sentinel bucket. No sentinel can occur in real data, so
+     * `user_id_key = ''` reads as "user_id IS NULL".
      */
     key: Record<string, string | null>;
     /** How many rows hold it. */
diff --git a/packages/metadata-protocol/src/migrations/sys-setting-identity-index.live-mysql.test.ts b/packages/metadata-protocol/src/migrations/sys-setting-identity-index.live-mysql.test.ts
index fc224770286..26a73c2930e 100644
--- a/packages/metadata-protocol/src/migrations/sys-setting-identity-index.live-mysql.test.ts
+++ b/packages/metadata-protocol/src/migrations/sys-setting-identity-index.live-mysql.test.ts
@@ -175,7 +175,7 @@ describe.skipIf(!MYSQL_URL)('#9434 the sys_setting duplicate probe on a LIVE MyS
         const [rows] = await conn.query(buildSysSettingDuplicateProbeSqlMysql());
         expect(rows).toEqual([
             {
-                organization_id_key: 'org_jia',
+                organization_id: 'org_jia',
                 namespace: 'lifecycle',
                 key: 'retention_overrides',
                 scope: 'tenant',