System.Net.Http docs

Author: ericstj

xml/System.Net.Http/HttpIOException.xml

@@ -92,8 +92,8 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a message that describes the current exception.</summary>
+        <value>The error message that explains the reason for the exception, or an empty string ("").</value>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>