Resolve PR review issues

Author: dlepow

articles/api-management/authentication-authorization-overview.md

@@ -20,7 +20,7 @@ API Management also provides a fully customizable, standalone, managed [develope
 
 The following diagram is a conceptual view of Azure API Management, showing the management plane (Azure control plane), API gateway (data plane), and developer portal (user plane), each with at least one option to secure interaction. For an overview of API Management components, see [What is Azure API Management?](api-management-key-concepts.md)
 
-:::image type="content" source="media/authentication-authorization-overview/api-management-security-high-level.png" alt-text="Diagram showing security features at all points of interaction in API Management" border="false":::
+:::image type="content" source="media/authentication-authorization-overview/api-management-security-high-level.png" alt-text="Diagram showing security features at all points of interaction in API Management." border="false":::
 
 ## Management plane