diff --git a/MapControl/WPF/TileImageLoader.WPF.cs b/MapControl/WPF/TileImageLoader.WPF.cs
index d21643d9..0bac2ee2 100644
--- a/MapControl/WPF/TileImageLoader.WPF.cs
+++ b/MapControl/WPF/TileImageLoader.WPF.cs
@@ -12,7 +12,7 @@ namespace MapControl
     public partial class TileImageLoader
     {
         /// <summary>
-        /// Default folder where the Cache instance may save data, i.e. C:\ProgramData\MapControl\TileCache
+        /// Default folder where the Cache instance may save data, i.e. "C:\ProgramData\MapControl\TileCache".
         /// </summary>
         public static string DefaultCacheFolder =>
             Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl", "TileCache");
diff --git a/MapControl/WinUI/TileImageLoader.WinUI.cs b/MapControl/WinUI/TileImageLoader.WinUI.cs
index b41b74e6..3109f0d7 100644
--- a/MapControl/WinUI/TileImageLoader.WinUI.cs
+++ b/MapControl/WinUI/TileImageLoader.WinUI.cs
@@ -13,7 +13,7 @@ namespace MapControl
     public partial class TileImageLoader
     {
         /// <summary>
-        /// Default folder where the Cache instance may save data, i.e. C:\ProgramData\MapControl\TileCache
+        /// Default folder where the Cache instance may save data, i.e. "C:\ProgramData\MapControl\TileCache".
         /// </summary>
         public static string DefaultCacheFolder =>
             Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl", "TileCache");