Update network-watcher-overview.md

Following should be added in here for better clarity:

"You must manually enable Network Watcher if you opted out Network Watcher automatic enablement. "

Author: azarboon

articles/network-watcher/network-watcher-overview.md

@@ -23,7 +23,7 @@ Network Watcher consists of three major sets of tools and capabilities:
 :::image type="content" source="./media/network-watcher-overview/network-watcher-capabilities.png" alt-text="Diagram showing Azure Network Watcher's capabilities.":::
 
 > [!NOTE] 
-> When you create or update a virtual network in your subscription, Network Watcher is automatically enabled in your virtual network's region. There's no impact on your resources or associated charge for automatically enabling Network Watcher. For more information, see [Enable or disable Network Watcher](network-watcher-create.md).
+> When you create or update a virtual network in your subscription, Network Watcher is automatically enabled in your virtual network's region. There's no impact on your resources or associated charge for automatically enabling Network Watcher. You must manually enable Network Watcher if you opted out Network Watcher automatic enablement. For more information, see [Enable or disable Network Watcher](network-watcher-create.md).
 
 ## Monitoring
 
@@ -130,4 +130,4 @@ To view the latest Network Watcher feature updates, see [Service updates](https:
 ## Related content
 
 - To get started using Network Watcher diagnostic tools, see [Quickstart: Diagnose a virtual machine network traffic filter problem](diagnose-vm-network-traffic-filtering-problem.md).
-- To learn more about Network Watcher, see [Training module: Introduction to Azure Network Watcher](/training/modules/intro-to-azure-network-watcher).
+- To learn more about Network Watcher, see [Training module: Introduction to Azure Network Watcher](/training/modules/intro-to-azure-network-watcher).