diff --git a/MapControl/Shared/MapPanel.cs b/MapControl/Shared/MapPanel.cs
index 516a7b39..ca7348ba 100644
--- a/MapControl/Shared/MapPanel.cs
+++ b/MapControl/Shared/MapPanel.cs
@@ -409,7 +409,7 @@ namespace MapControl
             element.Arrange(new Rect(x, y, width, height));
         }
 
-        internal static Size GetDesiredSize(FrameworkElement element)
+        private static Size GetDesiredSize(FrameworkElement element)
         {
             var width = element.DesiredSize.Width;
             var height = element.DesiredSize.Height;
diff --git a/MapControl/Shared/MapTileLayer.cs b/MapControl/Shared/MapTileLayer.cs
index 4ec4391f..d9f46acb 100644
--- a/MapControl/Shared/MapTileLayer.cs
+++ b/MapControl/Shared/MapTileLayer.cs
@@ -20,7 +20,7 @@ using Avalonia.Media;
 namespace MapControl
 {
     /// <summary>
-    /// Displays a standard Web Mercator map tile pyramid, e.g. a OpenStreetMap tiles.
+    /// Displays a Web Mercator tile pyramid.
     /// </summary>
     public partial class MapTileLayer : TilePyramidLayer
     {
diff --git a/MapControl/Shared/TilePyramidLayer.cs b/MapControl/Shared/TilePyramidLayer.cs
index 3db0876e..3bda6cf2 100644
--- a/MapControl/Shared/TilePyramidLayer.cs
+++ b/MapControl/Shared/TilePyramidLayer.cs
@@ -188,9 +188,9 @@ namespace MapControl
             }
         }
 
-        public abstract IReadOnlyCollection<string> SupportedCrsIds { get; }
+        public bool IsBaseMapLayer => parentMap != null && parentMap.Children.Count > 0 && parentMap.Children[0] == this;
 
-        protected bool IsBaseMapLayer => parentMap != null && parentMap.Children.Count > 0 && parentMap.Children[0] == this;
+        public abstract IReadOnlyCollection<string> SupportedCrsIds { get; }
 
         protected void BeginLoadTiles(IEnumerable<Tile> tiles, string cacheName)
         {