minor tweak to list type

Author: flang-msft

articles/azure-cache-for-redis/cache-azure-active-directory-for-authentication.md

@@ -97,9 +97,9 @@ Because most Azure Cache for Redis clients assume that a password/access key is
 
 1. Ensure that your client executes a Redis [AUTH command](https://redis.io/commands/auth/) automatically before your Azure AD token expires using:
 
-   1. `UserName` = Object ID of your managed identity or service principal
+   - `UserName` = Object ID of your managed identity or service principal
 
-   1. `Password` = Azure AD token refreshed periodically
+   - `Password` = Azure AD token refreshed periodically
 
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