diff --git a/windows/deployment/update/waas-delivery-optimization.md b/windows/deployment/update/waas-delivery-optimization.md
index 84a6a3b72e..d5625b3173 100644
--- a/windows/deployment/update/waas-delivery-optimization.md
+++ b/windows/deployment/update/waas-delivery-optimization.md
@@ -150,7 +150,7 @@ For Delivery Optimization to successfully use the proxy, you should set up the p
 
 For communication between clients and the Delivery Optimization cloud service: **\*.do.dsp.mp.microsoft.com**.
 
-**For Delivery Optimization metadata: **
+**For Delivery Optimization metadata**:
 
 - *.dl.delivery.mp.microsoft.com
 - *.emdl.ws.microsoft.com