Update StatefulSetStartOrdinal KEP table of contents

Author: pwschuurman

keps/sig-apps/3335-statefulset-slice/README.md

@@ -95,10 +95,10 @@ tags, and then generate with `hack/update-toc.sh`.
       - [Prerequisite testing updates](#prerequisite-testing-updates)
       - [Unit tests](#unit-tests)
       - [E2E tests](#e2e-tests)
-      - [Integration tests](#integration-tests)
+    - [Integration tests](#integration-tests)
   - [Graduation Criteria](#graduation-criteria)
     - [Alpha](#alpha)
-    - [Beta](#beat)
+    - [Beta](#beta)
   - [Upgrade / Downgrade Strategy](#upgrade--downgrade-strategy)
   - [Version Skew Strategy](#version-skew-strategy)
 - [Production Readiness Review Questionnaire](#production-readiness-review-questionnaire)