diff --git a/windows/deployment/update/waas-delivery-optimization.md b/windows/deployment/update/waas-delivery-optimization.md
index e501f85b3f..0055d22d00 100644
--- a/windows/deployment/update/waas-delivery-optimization.md
+++ b/windows/deployment/update/waas-delivery-optimization.md
@@ -143,7 +143,7 @@ If you set up Delivery Optimization to create peer groups that include devices a
 Delivery Optimization also communicates with its cloud service by using HTTP/HTTPS over port 80.
 
 
-#### What are the requirements if I use a proxy? ####
+#### What are the requirements if I use a proxy?
 For Delivery Optimization to successfully use the proxy, you should set up the proxy by using Windows proxy settings or Internet Explorer proxy settings. For details see [Using a proxy with Delivery Optimization](./delivery-optimization-proxy.md). Most content downloaded with Delivery Optimization uses byte range requests. Make sure your proxy allows byte range requests. For more information, see [Proxy requirements for Windows Update](https://support.microsoft.com/help/3175743/proxy-requirements-for-windows-update).
 
 #### What hostnames should I allow through my firewall to support Delivery Optimization? ####