diff --git a/AUTHORS.md b/AUTHORS.md
index d8cb5a3a4c..c58440a861 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -15,3 +15,4 @@
 - Scott Kieronski <baroes0239@gmail.com>
 - Samuel Asensi <asensi.samuel@gmail.com>
 - Takahiro Nishino <sapics.dev@gmail.com>
+- Piotr Wilczynski <delwing@gmail.com>
diff --git a/src/basic/Point.js b/src/basic/Point.js
index 85974a3eb8..50abdaa3f1 100644
--- a/src/basic/Point.js
+++ b/src/basic/Point.js
@@ -688,6 +688,18 @@ var Point = Base.extend(/** @lends Point# */{
         return new Point(this.x % point.x, this.y % point.y);
     },
 
+    /**
+     * Returns new point with both coordinates negated.
+     * @name Point#negate
+     * @function
+     * @operator
+     * @returns {Point} negation of both coordinates as new point.
+     * 
+     * @example
+     * var point = new Point(12, -6);
+     * console.log(-point); // {x: -12, y: 6}
+     * console.log(point.negate()); // {x: -12, y: 6}
+     */
     negate: function() {
         return new Point(-this.x, -this.y);
     },