22.3.8 bug fix - merge devices confirm prompt

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cc: @batamig

Author: yoninalmsft

articles/defender-for-iot/organizations/how-to-work-with-the-sensor-device-map.md

@@ -150,6 +150,8 @@ You can only merge [authorized devices](device-inventory.md#unauthorized-devices
 
 1. Select the authorized devices you want to merge by using the SHIFT key to select more than one device, and then right-click and select **Merge**. 
 
+1. At the prompt, select **Confirm** to confirm that you want to merge the devices.
+
 The devices are merged, and a confirmation message appears at the top right. Merge events are listed in the OT sensor's event timeline.
 
 ## Manage device notifications