Update connection-monitor-overview.md

Author: Medha1507

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

@@ -72,7 +72,7 @@ Connection Monitor relies on lightweight executable files to run connectivity ch
 
 To make Connection Monitor recognize your Azure VMs or virtual machine scale sets as monitoring sources, install the Network Watcher Agent virtual machine extension on them. This extension is also known as the *Network Watcher extension*. Azure virtual machines and scale sets require the extension to trigger end-to-end monitoring and other advanced functionality. 
 
-You can install the Network Watcher extension when you [create a VM](./connection-monitor.md#create-the-first-vm) or when you [create a VM scale set](./connection-monitor-virtual-machine-scale-set.md#create-a-vm-scale-set). Follow similar steps for enabling the  You can also separately install, configure, and troubleshoot the Network Watcher extension for [Linux](../virtual-machines/extensions/network-watcher-linux.md) and [Windows](../virtual-machines/extensions/network-watcher-windows.md).
+You can install the Network Watcher extension when you [create a VM](./connection-monitor.md#create-the-first-vm) or when you [create a VM scale set](./connection-monitor-virtual-machine-scale-set.md#create-a-virtual-machine-scale-set). Follow similar steps for enabling the  You can also separately install, configure, and troubleshoot the Network Watcher extension for [Linux](../virtual-machines/extensions/network-watcher-linux.md) and [Windows](../virtual-machines/extensions/network-watcher-windows.md).
 
 Rules for a network security group (NSG) or firewall can block communication between the source and destination. Connection Monitor detects this issue and shows it as a diagnostics message in the topology. To enable connection monitoring, ensure that the NSG and firewall rules allow packets over TCP or ICMP between the source and destination.