fixes

Author: yoninalmsft

articles/defender-for-iot/organizations/how-to-manage-subscriptions.md

@@ -195,7 +195,7 @@ Billing changes will take effect one hour after cancellation of the previous sub
 1. In the Azure portal, [onboard a new plan for OT networks](#onboard-a-defender-for-iot-plan-for-ot-networks) to the new subscription you want to use. 
 
 1. Create a new activation file by [following the steps to onboard an OT sensor](onboard-sensors.md#onboard-ot-sensors). 
-    - Replicate site and sensor hierarchy as is
+    - Replicate site and sensor hierarchy as is.
     - For sensors monitoring overlapping network segments, create the activation file under the same zone. Identical devices that are detected in more than one sensor in a zone, will be merged into one device.  
 
 1. [Upload a new activation file](how-to-manage-individual-sensors.md#upload-new-activation-files) for your sensors under the new subscription.