diff --git a/websocket-sharp/Net/HttpListenerPrefixCollection.cs b/websocket-sharp/Net/HttpListenerPrefixCollection.cs
index 6373b8d6..72c52b36 100644
--- a/websocket-sharp/Net/HttpListenerPrefixCollection.cs
+++ b/websocket-sharp/Net/HttpListenerPrefixCollection.cs
@@ -50,7 +50,8 @@ namespace WebSocketSharp.Net
   /// The <see cref="HttpListener"/> responds to the request which has a requested URI that
   /// the prefixes most closely match.
   /// </remarks>
-  public class HttpListenerPrefixCollection : ICollection<string>, IEnumerable<string>, IEnumerable
+  public class HttpListenerPrefixCollection
+    : ICollection<string>, IEnumerable<string>, IEnumerable
   {
     #region Private Fields