diff --git a/websocket-sharp/Net/Cookie.cs b/websocket-sharp/Net/Cookie.cs
index 9a2723f8..f10149f2 100644
--- a/websocket-sharp/Net/Cookie.cs
+++ b/websocket-sharp/Net/Cookie.cs
@@ -137,18 +137,10 @@ namespace WebSocketSharp.Net
     ///   </para>
     /// </param>
     /// <param name="value">
-    /// A <see cref="string"/> that specifies the Value of the cookie.
+    /// A <see cref="string"/> that specifies the value of the cookie.
     /// </param>
     /// <exception cref="ArgumentNullException">
-    ///   <para>
-    ///   <paramref name="name"/> is <see langword="null"/>.
-    ///   </para>
-    ///   <para>
-    ///   - or -
-    ///   </para>
-    ///   <para>
-    ///   <paramref name="value"/> is <see langword="null"/>.
-    ///   </para>
+    /// <paramref name="name"/> is <see langword="null"/>.
     /// </exception>
     /// <exception cref="ArgumentException">
     ///   <para>