diff --git a/src/Avalonia.Controls/Window.cs b/src/Avalonia.Controls/Window.cs
index 7e1d8f18f0..bd07cf6740 100644
--- a/src/Avalonia.Controls/Window.cs
+++ b/src/Avalonia.Controls/Window.cs
@@ -49,6 +49,7 @@ namespace Avalonia.Controls
     /// </summary>
     public class Window : WindowBase, IStyleable, IFocusScope, ILayoutRoot, INameScope
     {
+        /// <summary>
         /// Defines the <see cref="SizeToContent"/> property.
         /// </summary>
         public static readonly StyledProperty<SizeToContent> SizeToContentProperty =