Updated Brushes (markdown)

Brushes.md

@@ -54,6 +54,7 @@ brush GetSolidColorBrush(table gradientColors, [double startX, double startY, do
 ```
 ##### Required arguments
 - **gradientColors:** A table using colors as keys and doubles as offsets
+
 ##### Optional arguments
 **Note:** The arguments between [brackets] are optional and you can leave them out.
 - **startX:** The X value of the start position of the gradient