fixing grammar

Author: Tiago Brenck

2-WebApp-graph-user/2-3-Multi-Tenant/README-National-Cloud.md

@@ -240,9 +240,9 @@ services.AddAuthentication(AzureADDefaults.AuthenticationScheme)
 
  You can read about the various endpoints of the Microsoft Identity Platform [here](https://docs.microsoft.com/azure/active-directory/develop/active-directory-v2-protocols#endpoints).
 
-#### Implications of signing-in guest users on /common endpoint
+#### Implications of signing-in guest users on `/common` endpoint
 
-Please note that if you sign-in guest users at the `/common` endpoint, they will be directed to their home tenant for signing-in. So, if your multi-tenant app cares about applying a tenant specific conditional access policies, group assignments or app roles to be applied to the guest users, the app should sign the guest user on the **tenanted endpoint** (https://login.microsoftonline.com/{tenantId}) instead of the `/common` endpoint.
+Please note that if you sign-in guest users at the `/common` endpoint, they will be directed to their home tenant for signing-in. So, if your multi-tenant app cares about applying tenant specific conditional access policies, group assignments or app roles to be applied to the guest users, the app should sign-in the guest user on the **tenanted endpoint** (https://login.microsoftonline.com/{tenantId}) instead of the `/common` endpoint.
 
 ### Service principal provisioning for new tenants (onboarding process)
 

2-WebApp-graph-user/2-3-Multi-Tenant/README.md

@@ -216,9 +216,9 @@ services.AddAuthentication(AzureADDefaults.AuthenticationScheme)
 
  You can read about the various endpoints of the Microsoft Identity Platform [here](https://docs.microsoft.com/azure/active-directory/develop/active-directory-v2-protocols#endpoints).
 
-#### Implications of signing-in guest users on /common endpoint
+#### Implications of signing-in guest users on `/common` endpoint
 
-Please note that if you sign-in guest users at the `/common` endpoint, they will be directed to their home tenant for signing-in. So, if your multi-tenant app cares about applying a tenant specific conditional access policies, group assignments or app roles to be applied to the guest users, the app should sign the guest user on the **tenanted endpoint** (https://login.microsoftonline.com/{tenantId}) instead of the `/common` endpoint.
+Please note that if you sign-in guest users at the `/common` endpoint, they will be directed to their home tenant for signing-in. So, if your multi-tenant app cares about applying tenant specific conditional access policies, group assignments or app roles to be applied to the guest users, the app should sign-in the guest user on the **tenanted endpoint** (https://login.microsoftonline.com/{tenantId}) instead of the `/common` endpoint.
 
 ### Service principal provisioning for new tenants (onboarding process)