Mention default value for HttpClientHandler.MaxConnectionsPerServer (dotnet#8457)

Author: rzikm

xml/System.Net.Http/HttpClientHandler.xml

@@ -665,7 +665,14 @@ handler.ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousA
       <Docs>
         <summary>Gets or sets the maximum number of concurrent connections (per server endpoint) allowed when making requests using an <see cref="T:System.Net.Http.HttpClient" /> object. Note that the limit is per server endpoint, so for example a value of 256 would permit 256 concurrent connections to http://www.adatum.com/ and another 256 to http://www.adventure-works.com/.</summary>
         <value>The maximum number of concurrent connections (per server endpoint) allowed by an <see cref="T:System.Net.Http.HttpClient" /> object.</value>
-        <remarks>To be added.</remarks>
+        <remarks>
+          <format type="text/markdown"><![CDATA[  
+  
+## Remarks  
+ The default value for this property is `int.MaxValue`.  
+  
+ ]]></format>
+        </remarks>
       </Docs>
     </Member>
     <Member MemberName="MaxRequestContentBufferSize">

xml/System.Net.Http/WinHttpHandler.xml

@@ -503,7 +503,7 @@ When this property is set to `true`, all HTTP redirect responses from the server
           <format type="text/markdown"><![CDATA[  
   
 ## Remarks  
- The default value for this property is int.MaxValue.  
+ The default value for this property is `int.MaxValue`.  
   
  ]]></format>
         </remarks>