Fix typo in TOC entry for authorization

Author: ttorble

articles/azure-signalr/TOC.yml

@@ -141,7 +141,7 @@
       href: signalr-howto-authorize-application.md
     - name: Authorize from managed identity
       href: signalr-howto-authorize-managed-identity.md
-    - name: Configure cross tenant authroization
+    - name: Configure cross tenant authorization
       href: signalr-howto-authorize-cross-tenant.md
     - name: Disable local authentication
       href: howto-disable-local-auth.md