diff --git a/xml/ns-System.Threading.Channels.xml b/xml/ns-System.Threading.Channels.xml
index 3df2674dcf1..f2b94dcb9b8 100644
--- a/xml/ns-System.Threading.Channels.xml
+++ b/xml/ns-System.Threading.Channels.xml
@@ -1,6 +1,6 @@
 <Namespace Name="System.Threading.Channels">
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Provides a set of synchronization data structures for passing data between producers and consumers asynchronously.</summary>
     <remarks>To be added.</remarks>
   </Docs>
 </Namespace>