From ef175961ec8742ce8ccee30e196c859150799bb3 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Tue, 19 Dec 2017 11:37:37 +0900
Subject: [PATCH] [Modify] Edit it

---
 websocket-sharp/Ext.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/websocket-sharp/Ext.cs b/websocket-sharp/Ext.cs
index a66637e4..310e1e9b 100644
--- a/websocket-sharp/Ext.cs
+++ b/websocket-sharp/Ext.cs
@@ -1356,6 +1356,9 @@ namespace WebSocketSharp
     /// <param name="address">
     /// A <see cref="System.Net.IPAddress"/> to test.
     /// </param>
+    /// <exception cref="ArgumentNullException">
+    /// <paramref name="address"/> is <see langword="null"/>.
+    /// </exception>
     public static bool IsLocal (this System.Net.IPAddress address)
     {
       if (address == null)