Improve comments

src/Avalonia.Controls.ColorPicker/ColorView/ColorView.Properties.cs

@@ -504,6 +504,12 @@ namespace Avalonia.Controls
         /// <summary>
         /// Gets or sets the index of the selected tab/panel/page (subview).
         /// </summary>
+        /// <remarks>
+        /// When using the default control theme, this property is designed to be used with the
+        /// <see cref="ColorViewTab"/> enum. The <see cref="ColorViewTab"/> enum defines the
+        /// index values of each of the three standard tabs.
+        /// Use like `SelectedIndex = (int)ColorViewTab.Palette`.
+        /// </remarks>
         public int SelectedIndex
         {
             get => GetValue(SelectedIndexProperty);

src/Avalonia.Controls.ColorPicker/Helpers/Hsv.cs

@@ -11,7 +11,7 @@ namespace Avalonia.Controls.Primitives
     /// Contains and allows modification of Hue, Saturation and Value components.
     /// </summary>
     /// <remarks>
-    ///   The is a specialized struct optimized for permanence and memory:
+    ///   The is a specialized struct optimized for performance and memory:
     ///   <list type="bullet">
     ///     <item>This is not a read-only struct like <see cref="HsvColor"/> and allows editing the fields</item>
     ///     <item>Removes the alpha component unnecessary in core calculations</item>

src/Avalonia.Controls.ColorPicker/Helpers/Rgb.cs

@@ -12,7 +12,7 @@ namespace Avalonia.Controls.Primitives
     /// Contains and allows modification of Red, Green and Blue components.
     /// </summary>
     /// <remarks>
-    ///   The is a specialized struct optimized for permanence and memory:
+    ///   The is a specialized struct optimized for performance and memory:
     ///   <list type="bullet">
     ///     <item>This is not a read-only struct like <see cref="Color"/> and allows editing the fields</item>
     ///     <item>Removes the alpha component unnecessary in core calculations</item>