Minor fix in ChannelPoolSettings.ctor remarks (#3368)

* Minor fix in ChannelPoolSettings.ctor remarks

* Update ChannelPoolSettings.xml

Author: nxtn

xml/System.ServiceModel.Channels/ChannelPoolSettings.xml

@@ -55,7 +55,7 @@
           <format type="text/markdown"><![CDATA[  
   
 ## Remarks  
- The default values set are:  
+ The default property values are:  
   
 -   <xref:System.ServiceModel.Channels.ChannelPoolSettings.IdleTimeout%2A>: 2 minutes.