diff --git a/domains/testing/skills/ab-testing/repos/metamask-extension.md b/domains/testing/skills/ab-testing/repos/metamask-extension.md
index d6a06723..db147cc3 100644
--- a/domains/testing/skills/ab-testing/repos/metamask-extension.md
+++ b/domains/testing/skills/ab-testing/repos/metamask-extension.md
@@ -74,9 +74,9 @@ const activeABTests = experiment.isActive
    - Register every new remote A/B test flag in
      `test/e2e/feature-flags/feature-flag-registry.ts` with the production
      default threshold-array JSON value.
-   - Use test overrides such as `manifestFlags.remoteFeatureFlags` or
-     `FixtureBuilder.withRemoteFeatureFlags(...)` when a test needs
-     deterministic assignment.
+   - Use test overrides such as `manifestFlags.remoteFeatureFlags`, or
+     `withRemoteFeatureFlagController({ remoteFeatureFlags: { ... } })` on
+     `FixtureBuilderV2`, when a test needs deterministic assignment.
    - If the change is copy-only or config-only, you may skip new tests with a brief rationale.
 7. Run the A/B compliance checker using the repository's current supported
    invocation and report the result.