diff --git a/src/Markup/Perspex.Markup.Xaml/Data/Binding.cs b/src/Markup/Perspex.Markup.Xaml/Data/Binding.cs
index f2dbd263a0..8ce4aa7302 100644
--- a/src/Markup/Perspex.Markup.Xaml/Data/Binding.cs
+++ b/src/Markup/Perspex.Markup.Xaml/Data/Binding.cs
@@ -77,6 +77,9 @@ namespace Perspex.Markup.Xaml.Data
         /// </summary>
         public object Source { get; set; }
 
+        /// <summary>
+        /// Gets or sets the validation methods for the binding to use.
+        /// </summary>
         public ValidationMethods ValidationMethods { get; set; }
 
         /// <inheritdoc/>