* The chart canvas has already been created by the Dygraph object. The
* renderer simply gets a drawing context.
*
- * @param {Dyraph} dygraph The chart to which this renderer belongs.
+ * @param {Dygraph} dygraph The chart to which this renderer belongs.
* @param {Canvas} element The <canvas> DOM element on which to draw.
* @param {CanvasRenderingContext2D} elementContext The drawing context.
* @param {DygraphLayout} layout The chart's DygraphLayout object.