update

Author: AmandaAZ

support/entra/entra-id/toc.yml

@@ -85,6 +85,8 @@
         href: app-integration/serilog-protected-web-api-authentication-authorization-errors.md
       - name: Troubleshoot ASP.NET OWIN and ASP.NET Core authentication sign-in failures
         href: app-integration/asp-dot-net-open-web-interface-for-dot-net-core-authentication-sign-in-failures.md
+      - name: Troubleshoot access token signature validation errors
+        href: app-integration/troubleshooting-signature-validation-errors.md
       - name: WIF10201 No valid key mapping found
         href: app-integration/troubleshoot-wif10201-no-validkey-securitytoken-mvc.md