diff --git a/websocket-sharp/Server/WebSocketSessionManager.cs b/websocket-sharp/Server/WebSocketSessionManager.cs
index 18c816dc..b1532dc2 100644
--- a/websocket-sharp/Server/WebSocketSessionManager.cs
+++ b/websocket-sharp/Server/WebSocketSessionManager.cs
@@ -764,21 +764,21 @@ namespace WebSocketSharp.Server
     /// <remarks>
     /// This method doesn't wait for the send to be complete.
     /// </remarks>
-    /// <param name="id">
-    /// A <see cref="string"/> that represents the ID of the session to find.
-    /// </param>
     /// <param name="stream">
     /// A <see cref="Stream"/> from which contains the binary data to send.
     /// </param>
     /// <param name="length">
     /// An <see cref="int"/> that represents the number of bytes to send.
     /// </param>
+    /// <param name="id">
+    /// A <see cref="string"/> that represents the ID of the session to find.
+    /// </param>
     /// <param name="completed">
     /// An <c>Action&lt;bool&gt;</c> delegate that references the method(s) called when
     /// the send is complete. A <see cref="bool"/> passed to this delegate is <c>true</c>
     /// if the send is complete successfully.
     /// </param>
-    public void SendToAsync (string id, Stream stream, int length, Action<bool> completed)
+    public void SendToAsync (Stream stream, int length, string id, Action<bool> completed)
     {
       IWebSocketSession session;
       if (TryGetSession (id, out session))