Added alt text description line 149

Author: DeCohen

CloudAppSecurityDocs/protect-office-365.md

@@ -146,7 +146,7 @@ This section provides instructions for connecting Microsoft Defender for Cloud A
     > - For best protection, we recommend selecting all Microsoft 365 components.
     > - The **Microsoft 365 files** component, requires enabling Defender for Cloud Apps file monitoring (**Settings** > **Cloud Apps** > **Files** > **Enable file monitoring**).
 
-    :::image type="content" source="media/connect-office-365-components.png" alt-text="Connect Office 365 components" lightbox="media/connect-office-365-components.png":::
+    :::image type="content" source="media/connect-office-365-components.png" alt-text="Screenshot showing the Connect Office 365 components page with the Microsoft 365 files box checked" lightbox="media/connect-office-365-components.png":::
 
 1. On the **Follow the link** page, select **Connect Microsoft 365**.