Fixed typo

Author: v-shils

articles/lab-services/TOC.yml

@@ -10,7 +10,7 @@
   items:
   - name: Lab accounts versus lab plans
     href: concept-lab-accounts-versus-lab-plans.md
-  - name: Migrate lab acounts to lab plans
+  - name: Migrate lab accounts to lab plans
     href: how-to-migrate-lab-acounts-to-lab-plans.md
   - name: Migrate lab account role assignments
     displayName: RBAC, authorization, security, roles, permissions, admin, lab creator, lab account, migrate, upgrade