Missing Quotation in UrlsSection Example (#3813)

Author: slickbobby

xml/System.Configuration/ConfigurationElementCollection.xml

@@ -71,7 +71,7 @@
     </configSections>  
     <MyUrls>  
         <urls>  
-           <add name="Contoso" url="http://www.contoso.com" port="4040 />  
+           <add name="Contoso" url="http://www.contoso.com" port="4040" />  
         </urls>  
     </MyUrls>  
 </configuration