link and heading fixes

Author: batamig

articles/defender-for-iot/organizations/how-to-investigate-sensor-detections-in-a-device-inventory.md

@@ -106,11 +106,7 @@ On the **Device inventory** page:
 
 1. Select **Add filter**.
 1. Select **Last Activity** in the column field.
-1. Choose the time period in the **Filter** field.
-
-    :::image type="content" source="media/how-to-inventory-sensor/save-filter.png" alt-text="Screenshot that shows the last activity filter in Inventory.":::
-
-    Filtering options include seven days or more, 14 days or more, 30 days or more, or 90 days or more.
+1. Choose the time period in the **Filter** field. Filtering options include seven days or more, 14 days or more, 30 days or more, or 90 days or more.
 
 > [!TIP]
 > We recommend that you [delete](#delete-devices) inactive devices to display a more accurate representation of current network activity, better evaluate [committed devices](architecture.md#what-is-a-defender-for-iot-committed-device), and reduce clutter on your screen.

articles/defender-for-iot/organizations/release-notes.md

@@ -79,7 +79,7 @@ Defender for IoT’s new purchase experience and the Enterprise IoT integration
 > [!NOTE]
 > The Enterprise IoT network sensor and all detections remain in Public Preview.
 
-## Device inventory enhancements
+### Device inventory enhancements
 
 Starting in sensor versions 22.2.4, you can now take the following actions from the sensor console's **Device inventory** page: