Tweaks

Author: memildin

articles/security-center/security-center-intro.md

@@ -24,7 +24,7 @@ Keeping your resources safe is a joint effort between your cloud provider, Azure
 
 Azure Security Center addresses the three most urgent security challenges:
 
--   **Rapidly changing workloads** – It’s both a strength and a challenge of the cloud. On the one hand, end users are empowered to do more. On the other, how do you make sure that the ever-changing services people are using and creating are up to your security standards and follow security best
+-   **Rapidly changing workloads** – It's both a strength and a challenge of the cloud. On the one hand, end users are empowered to do more. On the other, how do you make sure that the ever-changing services people are using and creating are up to your security standards and follow security best
     practices?
 
 -   **Increasingly sophisticated attacks** - Wherever you run your workloads, the attacks keep getting more sophisticated. You have to secure your public cloud workloads, which are, in effect, an Internet facing workload that can leave you even more vulnerable if you don't follow security best practices.
@@ -152,5 +152,7 @@ Extensive log collection - logs from Windows and Linux are all leveraged in the
 ## Next steps
 
 - To get started with Security Center, you need a subscription to Microsoft Azure. If you do not have a subscription, you can sign up for a [free trial](https://azure.microsoft.com/free/).
-- Security Center’s free pricing tier is enabled with your Azure subscription. To take advantage of advanced security management and threat protection capabilities, you must upgrade to the standard pricing tier. The standard tier can be tried for free for 30 days. For more information, see the [Security Center pricing page](https://azure.microsoft.com/pricing/details/security-center/).
-- If you’re ready to enable Security Center standard now, the [Quickstart: Onboard your Azure subscription to Security Center Standard](security-center-get-started.md) walks you through the steps.
+
+- Security Center's free pricing tier is enabled on all your current Azure subscriptions once you visit the Azure Security Center dashboard in the Azure Portal for the first time, or if enabled programmatically via API. To take advantage of advanced security management and threat detection capabilities, you must upgrade to the standard pricing tier. The standard tier can be tried for free for 30 days. See the [Security Center pricing page](https://azure.microsoft.com/pricing/details/security-center/) for more information.
+
+- If you're ready to enable Security Center standard now, the [Quickstart: Onboard your Azure subscription to Security Center Standard](security-center-get-started.md) walks you through the steps.