suggestion

Co-authored-by: Genevieve Warren <[email protected]>

Author: antonfirsov

xml/System.Net.Http/HttpClient.xml

@@ -276,7 +276,7 @@ The specified `handler` will be disposed of by calling [HttpClient.Dispose](xref
 
  ]]></format>
         </remarks>
-        <exception cref="T:System.ArgumentException">The <see cref="T:System.Uri" /> specified is not an absolute Uri.</exception>
+        <exception cref="T:System.ArgumentException">The <see cref="T:System.Uri" /> specified is not an absolute URI.</exception>
         <exception cref="T:System.InvalidOperationException">The <see cref="T:System.Net.Http.HttpClient" /> instance has already started one or more requests.</exception>
         <exception cref="T:System.ObjectDisposedException">The <see cref="T:System.Net.Http.HttpClient" /> instance has already been disposed.</exception>
       </Docs>