Update src/ImageSharp.Drawing/Processing/Extensions/FillPathExtensions.cs

Co-authored-by: Scott Williams <tocsoft@gmail.com>

Author: JimBobSquarePants

src/ImageSharp.Drawing/Processing/Extensions/FillPathExtensions.cs

@@ -25,7 +25,7 @@ public static IImageProcessingContext Fill(
             source.Fill(new SolidBrush(color), path);
 
         /// <summary>
-        /// Flood fills the image in the shape of the provided polygon with the specified brush..
+        /// Flood fills the image in the shape of the provided polygon with the specified brush.
         /// </summary>
         /// <param name="source">The image processing context.</param>
         /// <param name="options">The drawing options.</param>