diff --git a/MapControl/Shared/MapTileLayer.cs b/MapControl/Shared/MapTileLayer.cs
index 67362b3b..b50ea72a 100644
--- a/MapControl/Shared/MapTileLayer.cs
+++ b/MapControl/Shared/MapTileLayer.cs
@@ -20,7 +20,7 @@ using System.Windows.Media;
 namespace MapControl
 {
     /// <summary>
-    /// Displays web mercator map tiles.
+    /// Displays a standard Web Mercator map tile grid, e.g. an OpenStreetMap tile grid.
     /// </summary>
     public class MapTileLayer : MapTileLayerBase
     {