[Modify] Polish it

websocket-sharp/WebSocket.cs

@@ -2808,8 +2808,8 @@ namespace WebSocketSharp
     /// used to authenticate.
     /// </param>
     /// <param name="preAuth">
-    /// <c>true</c> if the <see cref="WebSocket"/> sends the Basic authentication credentials
-    /// with the first connection request to the server; otherwise, <c>false</c>.
+    /// <c>true</c> if the <see cref="WebSocket"/> sends the Basic authentication credentials with
+    /// the first handshake request to the server; otherwise, <c>false</c>.
     /// </param>
     public void SetCredentials (string username, string password, bool preAuth)
     {