Update configure-block-at-first-sight-microsoft-defender-antivirus.md

windows/security/threat-protection/microsoft-defender-antivirus/configure-block-at-first-sight-microsoft-defender-antivirus.md

@@ -24,7 +24,7 @@ ms.date: 10/22/2020
 
 - Microsoft Defender Antivirus
 
-Block at first sight provides a way to detect and block new malware within seconds. This protection is enabled by default when certain prerequisite settings are enabled. These settings include cloud-delivered protection, a specified sample submission timeout (usually set to 50), and a file-blocking level of high. In most enterprise organizations, these settings are enabled by default with Microsoft Defender Antivirus deployments. 
+Block at first sight provides a way to detect and block new malware within seconds. This protection is enabled by default when certain prerequisite settings are enabled. These settings include cloud-delivered protection, a specified sample submission timeout (such as 50), and a file-blocking level of high. In most enterprise organizations, these settings are enabled by default with Microsoft Defender Antivirus deployments. 
 
 You can [specify how long a file should be prevented from running](configure-cloud-block-timeout-period-microsoft-defender-antivirus.md) while the cloud-based protection service analyzes the file. And, you can [customize the message displayed on users' desktops](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-security-center/wdsc-customize-contact-information) when a file is blocked. You can change the company name, contact information, and message URL.
 
@@ -40,7 +40,7 @@ Microsoft Defender Antivirus uses multiple detection and prevention technologies
 
 In Windows 10, version 1803 or later, block at first sight can block non-portable executable files (such as JS, VBS, or macros) as well as executable files.
 
-Block at first sight only uses the cloud protection backend for executable files and non-portable executable files that are downloaded from the Internet, or that originate from the Internet zone. A hash value of the .exe file is checked via the cloud backend to determine if this is a previously undetected file.
+Block at first sight only uses the cloud protection backend for executable files and non-portable executable files that are downloaded from the Internet, or that originate from the Internet zone. A hash value of the .exe file is checked via the cloud backend to determine if the file is a previously undetected file.
 
 If the cloud backend is unable to make a determination, Microsoft Defender Antivirus locks the file and uploads a copy to the cloud. The cloud performs additional analysis to reach a determination before it either allows the file to run or blocks it in all future encounters, depending on whether it determines the file to be malicious or safe.
 
@@ -90,7 +90,7 @@ In many cases, this process can reduce the response time for new malware from ho
 > [!NOTE]
 > We recommend using Intune or Microsoft Endpoint Manager to turn on block at first sight. 
 
-1. On your Group Policy management computer, open the [Group Policy Management Console](https://technet.microsoft.com/library/cc731212.aspx), right-click the Group Policy Object you want to configure and click **Edit**. 
+1. On your Group Policy management computer, open the [Group Policy Management Console](https://technet.microsoft.com/library/cc731212.aspx), right-click the Group Policy Object you want to configure and select **Edit**. 
 
 2. In the **Group Policy Management Editor** go to **Computer configuration** > **Administrative templates** > **Windows Components** > **Microsoft Defender Antivirus** > **MAPS**.