Update service-fabric-service-model-schema.md

Author: JasonWHowell

articles/service-fabric/service-fabric-service-model-schema.md

@@ -24,7 +24,7 @@ This article documents the ServiceFabricServiceModel.xsd schema file installed w
 
 |Prefix|Namespace URI|
 |---|---|
-|xs|https:\//www.w3.org/2001/XMLSchema|
+|xs|`https://www.w3.org/2001/XMLSchema`|
 
 ## Component summary 
 The following components are defined in ServiceFabricServiceModel.xsd:
@@ -1020,4 +1020,4 @@ def getAttributeGroups(tree, NSMAP):
 
 
 ```
--->
+-->