diff --git a/websocket-sharp/Server/HttpServer.cs b/websocket-sharp/Server/HttpServer.cs
index f1f9ead6..e9ab74fd 100644
--- a/websocket-sharp/Server/HttpServer.cs
+++ b/websocket-sharp/Server/HttpServer.cs
@@ -466,16 +466,27 @@ namespace WebSocketSharp.Server
     }
 
     /// <summary>
-    /// Gets or sets a value indicating whether the server is allowed to be bound to
-    /// an address that is already in use.
+    /// Gets or sets a value indicating whether the server is allowed to
+    /// be bound to an address that is already in use.
     /// </summary>
     /// <remarks>
-    /// If you would like to resolve to wait for socket in <c>TIME_WAIT</c> state,
-    /// you should set this property to <c>true</c>.
+    ///   <para>
+    ///   You should set this property to <c>true</c> if you would
+    ///   like to resolve to wait for socket in TIME_WAIT state.
+    ///   </para>
+    ///   <para>
+    ///   The set operation does nothing if the server has already
+    ///   started or it is shutting down.
+    ///   </para>
     /// </remarks>
     /// <value>
-    /// <c>true</c> if the server is allowed to be bound to an address that is already in use;
-    /// otherwise, <c>false</c>. The default value is <c>false</c>.
+    ///   <para>
+    ///   <c>true</c> if the server is allowed to be bound to an address
+    ///   that is already in use; otherwise, <c>false</c>.
+    ///   </para>
+    ///   <para>
+    ///   The default value is <c>false</c>.
+    ///   </para>
     /// </value>
     public bool ReuseAddress {
       get {