diff --git a/konva.js b/konva.js
index 4fc97a10..9d6a87de 100644
--- a/konva.js
+++ b/konva.js
@@ -8,7 +8,7 @@
    * Konva JavaScript Framework v4.2.0
    * http://konvajs.org/
    * Licensed under the MIT
-   * Date: Sat Mar 14 2020
+   * Date: Mon Mar 16 2020
    *
    * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
    * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
@@ -10338,7 +10338,7 @@
    * Arrow constructor
    * @constructor
    * @memberof Konva
-   * @augments Konva.Shape
+   * @augments Konva.Line
    * @param {Object} config
    * @param {Array} config.points Flat array of points coordinates. You should define them as [x1, y1, x2, y2, x3, y3].
    * @param {Number} [config.tension] Higher values will result in a more curvy line.  A value of 0 will result in no interpolation.
@@ -10504,7 +10504,7 @@
               x: lineRect.x - offset,
               y: lineRect.y - offset,
               width: lineRect.width + offset * 2,
-              height: lineRect.height + offset * 2,
+              height: lineRect.height + offset * 2
           };
       };
       return Arrow;
diff --git a/konva.min.js b/konva.min.js
index 0f19e38a..ddb90460 100644
--- a/konva.min.js
+++ b/konva.min.js
@@ -3,7 +3,7 @@
    * Konva JavaScript Framework v4.2.0
    * http://konvajs.org/
    * Licensed under the MIT
-   * Date: Sat Mar 14 2020
+   * Date: Mon Mar 16 2020
    *
    * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
    * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
diff --git a/src/Canvas.ts b/src/Canvas.ts
index cad2e60a..09c677ff 100644
--- a/src/Canvas.ts
+++ b/src/Canvas.ts
@@ -161,10 +161,10 @@ export class Canvas {
  * @returns {Number}
  * @example
  * // get
- * var pixelRatio = canvas.pixelRatio();
+ * var pixelRatio = layer.getCanvas.pixelRatio();
  *
  * // set
- * canvas.pixelRatio(100);
+ * layer.getCanvas().pixelRatio(3);
  */
 Factory.addGetterSetter(Canvas, 'pixelRatio', undefined, getNumberValidator());
 
diff --git a/src/Global.ts b/src/Global.ts
index 8c2d134c..8c90eca5 100644
--- a/src/Global.ts
+++ b/src/Global.ts
@@ -128,12 +128,13 @@ export const Konva = {
 
   /**
    * Global pixel ratio configuration. KonvaJS automatically detect pixel ratio of current device.
-   * But you may override such property, if you want to use your value.
+   * But you may override such property, if you want to use your value. Set this value before any components initializations.
    * @property pixelRatio
    * @default undefined
    * @name pixelRatio
    * @memberof Konva
    * @example
+   * // before any Konva code:
    * Konva.pixelRatio = 1;
    */
   pixelRatio: undefined,
diff --git a/src/shapes/Arrow.ts b/src/shapes/Arrow.ts
index 7609acc6..44831a4e 100644
--- a/src/shapes/Arrow.ts
+++ b/src/shapes/Arrow.ts
@@ -18,7 +18,7 @@ export interface ArrowConfig extends LineConfig {
  * Arrow constructor
  * @constructor
  * @memberof Konva
- * @augments Konva.Shape
+ * @augments Konva.Line
  * @param {Object} config
  * @param {Array} config.points Flat array of points coordinates. You should define them as [x1, y1, x2, y2, x3, y3].
  * @param {Number} [config.tension] Higher values will result in a more curvy line.  A value of 0 will result in no interpolation.
@@ -119,8 +119,8 @@ export class Arrow extends Line<ArrowConfig> {
       x: lineRect.x - offset,
       y: lineRect.y - offset,
       width: lineRect.width + offset * 2,
-      height: lineRect.height + offset * 2,
-    }
+      height: lineRect.height + offset * 2
+    };
   }
 
   pointerLength: GetSet<number, this>;