diff --git a/lichartee.js b/lichartee.js
index b9a7b45..e18b42d 100644
--- a/lichartee.js
+++ b/lichartee.js
@@ -711,18 +711,18 @@ class Axis
 	 * draw xaxis and yaxis to canvas
 	 *
 	 * @param ctx CanvasRenderingContext2D Context of canvas
-	 * @param window 2darray<Number> Window where to draw the canvas
-	 * @param view 2darray<Number> Window where to draw the canvas with
-	 * 							   the real value
+	 * @param box 2darray<Number> Window where to draw the axis
+	 * @param view 2darray<Number> Window where to draw the canvas with the
+	 * 			       real value
 	 */
-	draw(ctx, window, view)
+	draw(ctx, box, view)
 	{
 		ctx.strokeStyle = 'black';
 		ctx.fillStyle   = 'black';
 		let index = 0;
-		let start_pos = window[0][1];
+		let start_pos = box[0][1];
 		let padding = (
-			window[1][1] - window[0][1] - this.margin - this.text_height - this.size_tick
+			box[1][1] - box[0][1] - this.margin - this.text_height - this.size_tick
 		) / this.number_y_tick;
 		let step = (view[1][1] - view[0][1]) / this.number_y_tick;
 		let width = 2 * this.text_height;
@@ -735,27 +735,27 @@ class Axis
 			let text_position = current_y + this.text_height / 2
 			ctx.beginPath();
 			ctx.moveTo(
-				window[0][0] + this.margin + width,
+				box[0][0] + this.margin + width,
 				current_y,
 			);
 			ctx.lineTo(
-				window[0][0] + this.margin + this.size_tick + width,
+				box[0][0] + this.margin + this.size_tick + width,
 				current_y,
 			);
 			ctx.stroke();
 			ctx.fillText(
 				text,
-				window[0][0] + this.margin,
+				box[0][0] + this.margin,
 				text_position,
 			);
 			current_y += padding;
 			index += 1;
 		}
 		index = 0;
-		start_pos = window[0][0] + this.margin + this.size_tick
+		start_pos = box[0][0] + this.margin + this.size_tick
 			+ width;
 		padding = (
-			window[1][0] - this.margin - start_pos
+			box[1][0] - this.margin - start_pos
 		) / this.number_x_tick;
 		step = (view[1][0] - view[0][0]) / this.number_x_tick;
 		while (index <= this.number_x_tick)
@@ -770,23 +770,23 @@ class Axis
 			ctx.beginPath();
 			ctx.moveTo(
 				current_x,
-				window[1][1] - this.margin - this.text_height,
+				box[1][1] - this.margin - this.text_height,
 			);
 			ctx.lineTo(
 				current_x,
-				window[1][1] - this.margin - this.size_tick - this.text_height,
+				box[1][1] - this.margin - this.size_tick - this.text_height,
 			);
 			ctx.stroke();
 			ctx.fillText(
 				text         ,
 				text_position,
-				window[1][1] - this.margin,
+				box[1][1] - this.margin,
 			);
 			index += 1;
 		}
 		return [
-			[window[0][0] + this.margin + this.size_tick + width, window[0][1]],
-			[window[1][0] - this.margin , window[1][1] - this.text_height - this.margin - this.size_tick],
+			[box[0][0] + this.margin + this.size_tick + width, box[0][1]],
+			[box[1][0] - this.margin , box[1][1] - this.text_height - this.margin - this.size_tick],
 		];
 	}
 }