 	private let pointLimit: Int = 128
 	private var preRenderImage: UIImage!
 	
-	// MARK: Initialization
+	// MARK: - Initialization
 	
 	override init(frame: CGRect) {
 		super.init(frame: frame)

		bezierPath.lineJoinStyle = kCGLineJoinRound
	}
	
	// MARK: Touch handling
	
	override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) {
		let touch: AnyObject? = touches.first

		bezierPath.stroke()
	}

	// MARK: - Clearing
	
	func clear() {
		preRenderImage = nil
