diff --git a/websocket-sharp/Net/ServerSslConfiguration.cs b/websocket-sharp/Net/ServerSslConfiguration.cs
index f6c24dd7..01fa78c8 100644
--- a/websocket-sharp/Net/ServerSslConfiguration.cs
+++ b/websocket-sharp/Net/ServerSslConfiguration.cs
@@ -126,15 +126,21 @@ namespace WebSocketSharp.Net
     }
 
     /// <summary>
-    /// Gets or sets the callback used to validate the certificate supplied by the client.
+    /// Gets or sets the callback used to validate the certificate
+    /// supplied by the client.
     /// </summary>
     /// <remarks>
-    /// If this callback returns <c>true</c>, the client certificate will be valid.
+    /// The certificate is valid if the callback returns <c>true</c>.
     /// </remarks>
     /// <value>
-    /// A <see cref="RemoteCertificateValidationCallback"/> delegate that references the method
-    /// used to validate the client certificate. The default value is a function that only returns
-    /// <c>true</c>.
+    ///   <para>
+    ///   A <see cref="RemoteCertificateValidationCallback"/> delegate.
+    ///   </para>
+    ///   <para>
+    ///   It invokes the method called for validating the certificate.
+    ///   The default value is a delegate that invokes a method that
+    ///   only returns <c>true</c>.
+    ///   </para>
     /// </value>
     public RemoteCertificateValidationCallback ClientCertificateValidationCallback {
       get {