Apply suggestions from code review

Author: v-ccolin

articles/defender-for-iot/organizations/update-ot-software.md

@@ -91,7 +91,7 @@ This procedure describes how to send a software version update to one or more OT
 
     To jump to the release notes for the new version, select **Learn more** at the top of the pane.
 
-    :::image type="content" source="media/update-ot-software/send-package-multiple-versions-400.png" alt-text="screenshot of sensor update pane with option to choose sensor update version" lightbox="media/update-ot-software/send-package-multiple-versions.png" border="false":::
+    :::image type="content" source="media/update-ot-software/send-package-multiple-versions-400.png" alt-text="Screenshot of sensor update pane with option to choose sensor update version." lightbox="media/update-ot-software/send-package-multiple-versions.png" border="false":::
 
 1. When you're ready, select **Send package**, and the software transfer to your sensor machine is started. You can see the transfer progress in the **Sensor version** column, with the percentage complete automatically updating in the progress bar, so you can see that the process has started and letting you track its progress until the transfer is complete. For example:
 

articles/defender-for-iot/organizations/whats-new.md

@@ -28,7 +28,7 @@ When you update the sensor in the Azure portal, you can now choose to update to
 
 You might want to update your sensor to a specific version for various reasons, such as for testing purposes, or to align all sensors to the same version.
 
-:::image type="content" source="media/whats-new/send-package-multiple-versions-400.png" alt-text="screenshot of sensor update pane with option to choose sensor update version" border="false" lightbox="media/whats-new/send-package-multiple-versions.png" :::
+:::image type="content" source="media/whats-new/send-package-multiple-versions-400.png" alt-text="Screenshot of sensor update pane with option to choose sensor update version." border="false" lightbox="media/whats-new/send-package-multiple-versions.png" :::
 
 For more information, see [Update Defender for IoT OT monitoring software](update-ot-software.md#send-the-software-update-to-your-ot-sensor).