fixes: typo

Author: workgroupengineering

src/Avalonia.Diagnostics/Diagnostics/Convetions.cs

@@ -7,9 +7,9 @@ namespace Avalonia.Diagnostics
 {
     static class Convetions
     {
-        public static string DefaultScreenshotRoot =>
+        public static string DefaultScreenshotsRoot =>
              System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyPictures, Environment.SpecialFolderOption.Create),
-                "Screenshot");
+                "Screenshots");
 
         /// <summary>
         /// Return the path of the screenshot folder according to the rules indicated in issue <see href="https://github.com/AvaloniaUI/Avalonia/issues/4743">GH-4743</see>

src/Avalonia.Diagnostics/Diagnostics/DevToolsOptions.cs

@@ -26,10 +26,10 @@ public class DevToolsOptions
 
 
         /// <summary>
-        /// Get or sets the root folder where screeshot well be stored.
-        /// The default root folder is MyPictures/ScreenShot.
+        /// Get or sets the root folder where screeshots well be stored.
+        /// The default root folder is [Environment.SpecialFolder.MyPictures]/Screenshots.
         /// </summary>
-        public string? ScreenshotRoot { get; set; }
+        public string? ScreenshotsRoot { get; set; }
 
         /// <summary>
         /// Get or sets conventin for screenshot fileName.

src/Avalonia.Diagnostics/Diagnostics/ViewModels/MainViewModel.cs

@@ -257,9 +257,9 @@ async void Shot(object? parameter)
 
         public void SetOptions(DevToolsOptions options)
         {
-            _screenshotRoot = string.IsNullOrWhiteSpace(options.ScreenshotRoot)
-                ? Convetions.DefaultScreenshotRoot
-                : options.ScreenshotRoot!;
+            _screenshotRoot = string.IsNullOrWhiteSpace(options.ScreenshotsRoot)
+                ? Convetions.DefaultScreenshotsRoot
+                : options.ScreenshotsRoot!;
 
             _getScreenshotFileName = options.ScreenshotFileNameConvention
                 ?? Convetions.DefaultScreenshotFileNameConvention;