Update attack-surface-reduction-rules-deployment-test.md

Author: denisebmsft

defender-endpoint/attack-surface-reduction-rules-deployment-test.md

@@ -28,7 +28,7 @@ search.appverid: met150
 - [Microsoft Defender for Endpoint Plan 1](microsoft-defender-endpoint.md)
 - [Microsoft Defender for Endpoint Plan 2](microsoft-defender-endpoint.md)
 
-Testing Microsoft Defender for Endpoint attack surface reduction rules helps you determine if rules impede line-of-business operations prior to enabling any rule. By starting with a small, controlled group, you can limit potential work disruptions as you expand your deployment across your organization.
+Testing Microsoft Defender for Endpoint attack surface reduction rules helps you determine if rules impede line-of-business operations before you enable rules. By starting with a small, controlled group, you can limit potential work disruptions as you expand your deployment across your organization.
 
 In this section of the attack surface reduction rules deployment guide, you'll learn how to: