diff --git a/src/Mono.Android/Android.App/DatePickerDialog.cs b/src/Mono.Android/Android.App/DatePickerDialog.cs
index 40537c773c4..9ef1a0f6067 100644
--- a/src/Mono.Android/Android.App/DatePickerDialog.cs
+++ b/src/Mono.Android/Android.App/DatePickerDialog.cs
@@ -30,6 +30,15 @@ public DatePickerDialog (Android.Content.Context context, EventHandler<DateSetEv
 		public DatePickerDialog (Android.Content.Context context, int theme, EventHandler<DateSetEventArgs> callBack, int year, int monthOfYear, int dayOfMonth) 
 			: this (context, theme, new IOnDateSetListenerImplementor () { Handler = callBack }, year, monthOfYear, dayOfMonth) {}
 
+		/// <summary>
+		/// Sets the current date shown by the dialog using a <see cref="System.DateTime" />.
+		/// </summary>
+		/// <remarks>
+		/// This is a .NET-friendly overload that forwards to
+		/// <see cref="UpdateDate(int, int, int)" />, converting the 1-based
+		/// <see cref="System.DateTime.Month" /> to Android's 0-based month value.
+		/// </remarks>
+		/// <param name="date">The date to display in the dialog.</param>
 		public void UpdateDate (DateTime date)
 		{
 			UpdateDate (date.Year, date.Month - 1, date.Day);