Fix typo

Author: Court72

articles/active-directory/conditional-access/resilience-defaults.md

@@ -73,7 +73,7 @@ When resilience defaults are disabled, the Backup Authentication Service won't u
 
 ## Testing resilience defaults
 
-It isn't possible to conduct a dry run using the Backup Authentication Service or simulate the result of a policy with resilience defaults enabled or disabled at this time. Azure AD will conduct monthly exercises using the Backup Authentication Service. The sign-in logs will display if the Backup Authentication Service was used to issue the access token. In **Azure portal** > **Monitoring** > **Sign-in Logs** blade, you can add the filter "Token isuer type == Azure AD Backup Auth" to display the logs processed by Azure AD Backup Authentication service. 
+It isn't possible to conduct a dry run using the Backup Authentication Service or simulate the result of a policy with resilience defaults enabled or disabled at this time. Azure AD will conduct monthly exercises using the Backup Authentication Service. The sign-in logs will display if the Backup Authentication Service was used to issue the access token. In **Azure portal** > **Monitoring** > **Sign-in Logs** blade, you can add the filter "Token issuer type == Azure AD Backup Auth" to display the logs processed by Azure AD Backup Authentication service. 
 
 ## Configuring resilience defaults