xml doc fixes

src/ImageSharp.Drawing/FillRegion.cs

@@ -50,9 +50,7 @@ namespace ImageSharp
         /// <param name="brush">The brush.</param>
         /// <param name="region">The region.</param>
         /// <param name="options">The graphics options.</param>
-        /// <returns>
-        /// The Image
-        /// </returns>
+        /// <returns>The <see cref="Image{TColor}"/>.</returns>
         public static Image<TColor> Fill<TColor>(this Image<TColor> source, IBrush<TColor> brush, Region region, GraphicsOptions options)
           where TColor : struct, IPackedPixel, IEquatable<TColor>
         {
@@ -66,9 +64,7 @@ namespace ImageSharp
         /// <param name="source">The image this method extends.</param>
         /// <param name="brush">The brush.</param>
         /// <param name="region">The region.</param>
-        /// <returns>
-        /// The Image
-        /// </returns>
+        /// <returns>The <see cref="Image{TColor}"/>.</returns>
         public static Image<TColor> Fill<TColor>(this Image<TColor> source, IBrush<TColor> brush, Region region)
           where TColor : struct, IPackedPixel, IEquatable<TColor>
         {
@@ -83,9 +79,7 @@ namespace ImageSharp
         /// <param name="color">The color.</param>
         /// <param name="region">The region.</param>
         /// <param name="options">The options.</param>
-        /// <returns>
-        /// The Image
-        /// </returns>
+        /// <returns>The <see cref="Image{TColor}"/>.</returns>
         public static Image<TColor> Fill<TColor>(this Image<TColor> source, TColor color, Region region, GraphicsOptions options)
           where TColor : struct, IPackedPixel, IEquatable<TColor>
         {
@@ -99,9 +93,7 @@ namespace ImageSharp
         /// <param name="source">The image this method extends.</param>
         /// <param name="color">The color.</param>
         /// <param name="region">The region.</param>
-        /// <returns>
-        /// The Image
-        /// </returns>
+        /// <returns>The <see cref="Image{TColor}"/>.</returns>
         public static Image<TColor> Fill<TColor>(this Image<TColor> source, TColor color, Region region)
           where TColor : struct, IPackedPixel, IEquatable<TColor>
         {

src/ImageSharp.Drawing/Processors/FillRegionProcessor.cs

@@ -39,17 +39,11 @@ namespace ImageSharp.Drawing.Processors
         /// <summary>
         /// Gets the brush.
         /// </summary>
-        /// <value>
-        /// The brush.
-        /// </value>
         public IBrush<TColor> Brush { get; }
 
         /// <summary>
-        /// Gets the region.
+        /// Gets the region that this processor applies to.
         /// </summary>
-        /// <value>
-        /// The region.
-        /// </value>
         public Region Region { get; }
 
         /// <summary>