Fixed both steps

Author: memildin

articles/security-center/deploy-vulnerability-assessment-byol-vm.md

@@ -73,7 +73,7 @@ Supported solutions report vulnerability data to the partner's management platfo
     1. To automatically install this vulnerability assessment agent on all discovered VMs in the subscription of this solution, select **Auto deploy**.
     1. Select **OK**.
 
-1. If you've already set up your BYOL solution, select **Deploy your configured third-party vulnerability scanner**, and **Proceed**.
+1. If you've already set up your BYOL solution, select **Deploy your configured third-party vulnerability scanner**, select the relevant extension, and select **Proceed**.
 
 After the vulnerability assessment solution is installed on the target machines, Security Center performs a scan to detect and identify vulnerabilities in the system and application. It might take a couple of hours for the first scan to complete. After that, it runs hourly.