Update onboard-downlevel.md

Author: v-smandalika

defender-endpoint/onboard-downlevel.md

@@ -39,7 +39,7 @@ ms.date: 12/18/2020
 
 Defender for Endpoint extends support to include down-level operating systems, providing advanced attack detection and investigation capabilities on supported Windows versions.
 
-To onboard down-level Windows client endpoints to Defender for Endpoint, you'll need to:
+To onboard down-level Windows client endpoints to Defender for Endpoint, you need to:
 
 - [Configure and update System Center Endpoint Protection clients](#configure-and-update-system-center-endpoint-protection-clients)
 - [Install and configure Microsoft Monitoring Agent (MMA) to report sensor data](#install-and-configure-microsoft-monitoring-agent-mma)
@@ -50,7 +50,7 @@ For Windows Server 2008 R2 SP1, you have the option of [onboarding through Micro
 > Defender for Endpoint standalone server license is required, per node, in order to onboard a Windows server through Microsoft Monitoring Agent (Option 1). Alternatively, a Microsoft Defender for servers license is required, per node, in order to onboard a Windows server through Microsoft Defender for Cloud (Option 2), see [Supported features available in Microsoft Defender for Cloud](/azure/defender-for-cloud/supported-machines-endpoint-solutions-clouds-servers).
 
 > [!TIP]
-> After onboarding the device, you can choose to run a detection test to verify that it is properly onboarded to the service. For more information, see [Run a detection test on a newly onboarded Defender for Endpoint endpoint](run-detection-test.md).
+> After onboarding the device, you can choose to run a detection test to verify that it's properly onboarded to the service. For more information, see [Run a detection test on a newly onboarded Defender for Endpoint endpoint](run-detection-test.md).
 
 ## Configure and update System Center Endpoint Protection clients
 
@@ -107,7 +107,7 @@ Review the following details to verify minimum system requirements:
     - [Configure the agent using a script](/azure/log-analytics/log-analytics-windows-agents#install-agent-using-dsc-in-azure-automation).
 
    > [!NOTE]
-   > If you are a [US Government customer](gov.md), under "Azure Cloud" you'll need to choose "Azure US Government" if using the setup wizard, or if using a command line or a script - set the "OPINSIGHTS_WORKSPACE_AZURE_CLOUD_TYPE" parameter to 1.
+   > If you're a [US Government customer](gov.md), under "Azure Cloud", you need to choose "Azure US Government" if using the setup wizard, or if using a command line or a script - set the "OPINSIGHTS_WORKSPACE_AZURE_CLOUD_TYPE" parameter to 1.
 
 4. If you're using a proxy to connect to the Internet see the Configure proxy and Internet connectivity settings section.
 
@@ -121,7 +121,7 @@ If your servers need to use a proxy to communicate with Defender for Endpoint, u
 
 - [Configure Windows to use a proxy server for all connections](configure-proxy-internet.md)
 
-If a proxy or firewall is in use, please ensure that servers can access all of the Microsoft Defender for Endpoint service URLs directly and without SSL interception. For more information, see [enable access to Microsoft Defender for Endpoint service URLs](configure-environment.md#enable-access-to-microsoft-defender-for-endpoint-service-urls-in-the-proxy-server). Use of SSL interception will prevent the system from communicating with the Defender for Endpoint service.
+If a proxy or firewall is in use, ensure that servers can access all of the Microsoft Defender for Endpoint service URLs directly and without SSL interception. For more information, see [enable access to Microsoft Defender for Endpoint service URLs](configure-environment.md#enable-access-to-microsoft-defender-for-endpoint-service-urls-in-the-proxy-server). Use of SSL interception prevents the system from communicating with the Defender for Endpoint service.
 
 Once completed, you should see onboarded Windows servers in the portal within an hour.
 
@@ -133,7 +133,7 @@ Once completed, you should see onboarded Windows servers in the portal within an
 
 3. Click **Onboard Servers in Microsoft Defender for Cloud**.
 
-4. Follow the onboarding instructions in [Microsoft Defender for Endpoint with Microsoft Defender for Cloud](/azure/security-center/security-center-wdatp) and If you are using Azure ARC, follow the onboarding instructions in [Enabling the Microsoft Defender for Endpoint integration](/azure/security-center/security-center-wdatp#enabling-the-microsoft-defender-for-endpoint-integration).
+4. Follow the onboarding instructions in [Microsoft Defender for Endpoint with Microsoft Defender for Cloud](/azure/security-center/security-center-wdatp) and If you're using Azure ARC, follow the onboarding instructions in [Enabling the Microsoft Defender for Endpoint integration](/azure/security-center/security-center-wdatp#enabling-the-microsoft-defender-for-endpoint-integration).
 
 After completing the onboarding steps, you'll need to [Configure and update System Center Endpoint Protection clients](#configure-and-update-system-center-endpoint-protection-clients).