[Modify] Edit it

websocket-sharp/Server/WebSocketSessionManager.cs

@@ -968,7 +968,7 @@ namespace WebSocketSharp.Server
     }
 
     /// <summary>
-    /// Closes the session with the specified ID, code, and reason.
+    /// Closes the session with the specified ID, status code, and reason.
     /// </summary>
     /// <param name="id">
     /// A <see cref="string"/> that specifies the ID of the session to close.
@@ -997,6 +997,12 @@ namespace WebSocketSharp.Server
     ///   -or-
     ///   </para>
     ///   <para>
+    ///   <paramref name="code"/> is an undefined enum value.
+    ///   </para>
+    ///   <para>
+    ///   -or-
+    ///   </para>
+    ///   <para>
     ///   <paramref name="code"/> is <see cref="CloseStatusCode.MandatoryExtension"/>.
     ///   </para>
     ///   <para>