diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index 2cfa1d3d..f1eea119 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -3124,11 +3124,18 @@ namespace WebSocketSharp
     /// Establishes a connection.
     /// </summary>
     /// <remarks>
-    /// This method does nothing if the current state of the connection is
-    /// Open or Closing.
+    /// This method does nothing if the connection has already been established.
     /// </remarks>
     /// <exception cref="InvalidOperationException">
-    /// This instance is not a client.
+    ///   <para>
+    ///   This instance is not a client.
+    ///   </para>
+    ///   <para>
+    ///   -or-
+    ///   </para>
+    ///   <para>
+    ///   The close process is in progress.
+    ///   </para>
     /// </exception>
     public void Connect ()
     {