Update toc.yml

Author: BarbaraSelden

articles/active-directory/standards/toc.yml

@@ -44,7 +44,7 @@
   - name: Multi-factor authentication
     href: memo-22-09-multi-factor-authentication.md
   - name: Authentication
-    href: memo-22-09-multi-factor-authentication.md
+    href: memo-22-09-authorization.md
   - name: Other areas of Zero Trust
     href: memo-22-09-other-areas-zero-trust.md