Apply suggestions from code review

Author: v-stsavell

articles/mysql/flexible-server/concepts-azure-ad-authentication.md

@@ -42,7 +42,7 @@ User-managed identities are required for Azure Active Directory authentication.
 
 The following high-level diagram summarizes how authentication works using Azure AD authentication with Azure Database for MySQL. The arrows indicate communication pathways.
 
-:::image type="content" source="media/concepts-azure-ad-authentication/azure-ad-authentication-flow.jpg" alt-text="Diagram of how Azure ad authentication work.":::
+:::image type="content" source="media/concepts-azure-ad-authentication/azure-ad-authentication-flow.jpg" alt-text="Diagram of how Azure ad authentication works.":::
 
 1. Your application can request a token from the Azure Instance Metadata Service identity endpoint. 
 2. Using the client ID and certificate, a call is made to Azure AD to request an access token.  

articles/mysql/flexible-server/how-to-azure-ad.md

@@ -28,7 +28,7 @@ Only an Azure AD Admin user can create/enable users for Azure AD-based authentic
 - In the Azure portal, select the instance of Azure Database for MySQL Flexible server that you want to enable for Azure AD. 
 
 - Under Security pane, select Authentication:
-:::image type="content" source="media//how-to-azure-ad/azure-ad-configuration.jpg" alt-text="Diagram of how to configure azure ad authentication.":::
+:::image type="content" source="media//how-to-azure-ad/azure-ad-configuration.jpg" alt-text="Diagram of how to configure Azure ad authentication.":::
 
 - There are three types of authentication available: