Updated Brushes (markdown)

Brushes.md

@@ -63,7 +63,7 @@ brush GetSolidColorBrush(table gradientColors, [double startX, double startY, do
 - **endY:** The Y value of the end position of the gradient
 #### Example:
 ```lua
--- Create a table and in that table add tables containing a color and an offset
+-- Create a table and add keys to it (the color) and values (the offset).
 local colors = {};
 colors[Brushes.GetColor(255, 255, 0, 0)] = 0;      -- red
 colors[Brushes.GetColor(255, 255, 0, 255)] = 0.16; -- purple