diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c88c9b..421dafa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.1.4] - 2020-04-12
+### Fixed
+- jsdoc
+
 ## [3.1.3] - 2020-04-10
 ### Fixed
 - README
diff --git a/README.md b/README.md
index 7d43af9..3f22d6e 100644
--- a/README.md
+++ b/README.md
@@ -484,7 +484,7 @@ returns node's parent node.
 </table>
 
 ### AvlTreeNode
-extends <a href="#binarysearchtreenode">BinarySearchTreeNode</a> and add the following methods:
+extends <a href="#binarysearchtreenode">BinarySearchTreeNode</a> and adds the following methods:
 
 #### .getHeight()
 the height of the node in the tree. root height is 1.
diff --git a/package.json b/package.json
index 9d32112..d163c2e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@datastructures-js/binary-search-tree",
-  "version": "3.1.3",
+  "version": "3.1.4",
   "description": "binary search tree & avl tree (self balancing tree) implementation in javascript",
   "main": "index.js",
   "scripts": {
diff --git a/src/avlTree.js b/src/avlTree.js
index f9782c3..e22a382 100644
--- a/src/avlTree.js
+++ b/src/avlTree.js
@@ -1,5 +1,5 @@
 /**
- * datastructures-js/binary-search-tree
+ * @datastructures-js/binary-search-tree
  * @copyright 2020 Eyas Ranjous <eyas.ranjous@gmail.com>
  * @license MIT
  */
@@ -17,7 +17,7 @@ class AvlTree extends BinarySearchTree {
    * applies the proper rotation on nodes after an insert or remove
    * @param {AvlTreeNode} node
    */
-  balanceNode(node) {
+  _balanceNode(node) {
     if (!node) return;
 
     node.updateHeight();
@@ -42,12 +42,11 @@ class AvlTree extends BinarySearchTree {
 
   /**
    * @public
-   *
    * inserts a node with a key/value into tree
    * and maintains the tree balanced by applying the necessary rotations
-   *
    * @param {number|string} key
-   * @param {object} vaue
+   * @param {object} value
+   * @param {AvlTreeNode} node
    * @return {AvlTreeNode} the inserted node
    */
   insert(key, value, node = this._root) {
@@ -82,27 +81,35 @@ class AvlTree extends BinarySearchTree {
 
     if (key < node.getKey()) {
       const newNode = this.insert(key, value, node.getLeft());
-      this.balanceNode(node); // back-tracking
+      this._balanceNode(node); // back-tracking
       return newNode;
     }
 
     const newNode = this.insert(key, value, node.getRight());
-    this.balanceNode(node); // back-tracking
+    this._balanceNode(node); // back-tracking
     return newNode;
   }
 
+  /**
+   * @public
+   * remove a node by its key
+   * and maintains the tree balanced by applying the necessary rotations
+   * @param {number|string} key
+   * @param {AvlTreeNode} node
+   * @return {boolean}
+   */
   remove(key, node = this._root) {
     if (node === null) return false;
 
     if (key < node.getKey()) {
       const removed = this.remove(key, node.getLeft());
-      this.balanceNode(node);
+      this._balanceNode(node);
       return removed;
     }
 
     if (key > node.getKey()) {
       const removed = this.remove(key, node.getRight());
-      this.balanceNode(node);
+      this._balanceNode(node);
       return removed;
     }
 
diff --git a/src/avlTreeNode.js b/src/avlTreeNode.js
index 648dd6e..f502985 100644
--- a/src/avlTreeNode.js
+++ b/src/avlTreeNode.js
@@ -10,7 +10,6 @@ const BinarySearchTreeNode = require('./binarySearchTreeNode');
  * @class AvlTreeNode
  * @extends BinarySearchTreeNode
  */
-
 class AvlTreeNode extends BinarySearchTreeNode {
   constructor(key, value) {
     super(key, value);