diff --git a/src/Avalonia.Controls/Grid.cs b/src/Avalonia.Controls/Grid.cs
index 4e60b52f83..74401c450a 100644
--- a/src/Avalonia.Controls/Grid.cs
+++ b/src/Avalonia.Controls/Grid.cs
@@ -978,7 +978,7 @@ namespace Avalonia.Controls
         /// width is not registered in columns.</param>
         /// <param name="forceInfinityV">Passed through to MeasureCell.
         /// When "true" cells' desired height is not registered in rows.</param>
-        /// <param name="hasDesiredSizeUChanged">return true when desired size has changed</param>
+        /// <param name="hasDesiredSizeUChanged">When the method exits, indicates whether the desired size has changed.</param>
         private void MeasureCellsGroup(
             int cellsHead,
             Size referenceSize,
diff --git a/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs b/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs
index 32818dfdd2..4a7d4d4ac8 100644
--- a/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs
+++ b/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs
@@ -20,8 +20,8 @@ namespace Avalonia.Skia
         /// <summary>
         /// Creates an offscreen render target surface
         /// </summary>
-        /// <param name="size">size in pixels</param>
-        /// <param name="session">current Skia render session</param>
+        /// <param name="size">size in pixels.</param>
+        /// <param name="session">An optional custom render session.</param>
         ISkiaSurface TryCreateSurface(PixelSize size, ISkiaGpuRenderSession session);
     }