diff --git a/src/code/class-i-order-terms.php b/src/code/class-i-order-terms.php
index 1244ff2..f3fd636 100644
--- a/src/code/class-i-order-terms.php
+++ b/src/code/class-i-order-terms.php
@@ -17,7 +17,7 @@
 class I_Order_Terms
 {
 	const PLUGIN_NAME = 'I Order Terms';
-	const PLUGIN_VERSION = '1.5.0';
+	const PLUGIN_VERSION = '1.5.2';
 	const WP_MIN_VERSION = '3.5';
 	const PLUGIN_BASENAME = 'i-order-terms/i-order-terms.php';
 	const PLUGIN_OPTIONS_PAGE = 'iorderterms_general';
@@ -27,12 +27,12 @@ class I_Order_Terms
 	/** @var string Plugin URL */
 	private $plugin_url;
 
-	/** @var array List of notices for admin users */
-	private $notices = array();
-	/** @var array Taxonomies list */
-	private $taxonomies = array();
-	/** @var array Taxonomies that require custom sorting */
-	private $taxonomies_registered = array();
+	/** @var string[] List of notices for admin users */
+	private $notices = [];
+	/** @var string[] Taxonomies list */
+	private $taxonomies = [];
+	/** @var string[] Taxonomies that require custom sorting */
+	private $taxonomies_registered = [];
 
 
 	/**
@@ -230,7 +230,7 @@ public function terms_clauses( $clauses, $taxonomies, $args )
 		// default sorting is to use custom order
 		if ( isset( $args['orderby'] ) && $args['orderby'] !== 'name' ) return $clauses;
 
-		// accept only single taxonomy queries & only if taxonomy is registered for custom sorting
+		// accept only single taxonomy queries and only if taxonomy is registered for custom sorting
 		if ( /* count( $taxonomies ) !== 1 || */ !in_array( $taxonomies[0], $this->taxonomies ) ) return $clauses;
 
 		// user sorting by a column
diff --git a/src/i-order-terms.php b/src/i-order-terms.php
index f34f7a5..047d5ce 100644
--- a/src/i-order-terms.php
+++ b/src/i-order-terms.php
@@ -3,7 +3,7 @@
  * Plugin Name: I Order Terms
  * Plugin URI: https://wordpress.org/plugins/i-order-terms/
  * Description: Allows theme developers to add order/sort functionality for categories, tags and terms.
- * Version: 1.5.0
+ * Version: 1.5.2
  * Requires at least: 3.5
  * Requires PHP: 5.6
  * Author: Igor Jerosimic
diff --git a/src/js/admin-i-order-terms.js b/src/js/admin-i-order-terms.js
index d3574a9..aff4e06 100644
--- a/src/js/admin-i-order-terms.js
+++ b/src/js/admin-i-order-terms.js
@@ -5,12 +5,17 @@
  * @author Igor Jerosimic
  */
 
-// inspired by Simple Page Ordering plugin ( https://wordpress.org/plugins/simple-page-ordering/ )
+// Inspired by the Simple Page Ordering plugin ( https://wordpress.org/plugins/simple-page-ordering/ )
 jQuery(document).ready(function($)
 {
 	"use strict";
 
-	function get_term_id(el)
+	/**
+	 * Get term ID from element.
+	 * @param el
+	 * @returns {number|undefined}
+	 */
+	function getTermId(el)
 	{
 		var ret;
 
@@ -18,7 +23,7 @@ jQuery(document).ready(function($)
 			ret = parseInt(el.find('.check-column input').val(), 10);
 
 			if (!ret) {
-				// try to find term ID by other means
+				// Try to find the term ID by other means
 				ret = parseInt(el.attr('id').replace('tag-', ''), 10);
 			}
 
@@ -53,69 +58,69 @@ jQuery(document).ready(function($)
 
 
 			var $term = ui.item,
-				$term_prev = $term.prev(),
-				$term_next = $term.next(),
-				$checker_holder = $term.find('.check-column'),
+				$termPrev = $term.prev(),
+				$termNext = $term.next(),
+				$checkerHolder = $term.find('.check-column'),
 				$checker = $term.find('.check-column input'),
 
 				taxonomy = $taxonomy[0].value,
-				term_id = get_term_id($term),
-				// term_parent_id = parseInt($term.find('.parent').text(), 10),
-				prev_term_id = get_term_id($term_prev),
-				next_term_id = get_term_id($term_next),
-				prev_term_parent_id,
-				next_term_parent_id;
+				termId = getTermId($term),
+				// termParentId = parseInt($term.find('.parent').text(), 10),
+				prevTermId = getTermId($termPrev),
+				nextTermId = getTermId($termNext),
+				prevTermParentId,
+				nextTermParentId;
 
 
-			// get parent ID's
-			if ($term_prev.length && prev_term_id !== undefined) {
-				prev_term_parent_id = parseInt($term_prev.find('.parent').text(), 10);
+			// Get parent ID's
+			if ($termPrev.length && prevTermId !== undefined) {
+				prevTermParentId = parseInt($termPrev.find('.parent').text(), 10);
 			}
-			if ($term_next.length && next_term_id !== undefined) {
-				next_term_parent_id = parseInt($term_next.find('.parent').text(), 10);
+			if ($termNext.length && nextTermId !== undefined) {
+				nextTermParentId = parseInt($termNext.find('.parent').text(), 10);
 			}
 
 
-			// at least one of prev/next should be present
+			// At least one of prev/next should be present
 			// don't allow moving items in between its own children
-			if ((prev_term_id === undefined && next_term_id === undefined) ||
-				(prev_term_parent_id === term_id) ||
-				(next_term_parent_id === term_id)
+			if ((prevTermId === undefined && nextTermId === undefined) ||
+				(prevTermParentId === termId) ||
+				(nextTermParentId === termId)
 				) {
 				$sort.sortable('cancel');
 				return;
 			}
 
 
-			// disable new reorder until ajax returns
+			// Disable new reorder until ajax returns
 			$sort.sortable('disable');
 
 
-			// show spinner
+			// Show spinner
 			if ($checker.length) {
 				//$checker.hide().after('<img src="images/wpspin_light-2x.gif" width="16" height="16" style="margin-left:8px;" alt="" />');
 				$checker.hide().after('<span class="spinner" style="display:block;"></span>');
 			} else {
-				//$checker_holder.append('<img src="images/wpspin_light-2x.gif" width="16" height="16" style="margin-left:8px;" alt="" />');
-				$checker_holder.prepend('<span class="spinner" style="display:block;"></span>');
+				//$checkerHolder.append('<img src="images/wpspin_light-2x.gif" width="16" height="16" style="margin-left:8px;" alt="" />');
+				$checkerHolder.prepend('<span class="spinner" style="display:block;"></span>');
 			}
 
 
-			// force terms reload to avoid badly positioned children (visually)
-			var force_reload = (next_term_id === undefined && next_term_parent_id === prev_term_id);
+			// Force terms reload to avoid badly positioned children (visually)
+			var forceReload = (nextTermId === undefined && nextTermParentId === prevTermId);
 
 
-			// send sort cmd via ajax
+			// Send sort cmd via ajax
 			var data = {
 				action: 'i-order-terms',
 				nonce: (iOrderTerms && iOrderTerms.nonce) ? iOrderTerms.nonce : '',
-				term_id: term_id,
-				term_prev_id: prev_term_id,
-				term_next_id: next_term_id,
+				term_id: termId,
+				term_prev_id: prevTermId,
+				term_next_id: nextTermId,
 				taxonomy: taxonomy,
-				force_reload: force_reload
+				force_reload: forceReload
 			};
-			$.post(ajaxurl, data, function(response) {
+			$.post(ajaxurl, data, function (response) {
 				var $ajaxResponse = $('#ajax-response');
 				$ajaxResponse.empty();
 
@@ -137,22 +142,22 @@ jQuery(document).ready(function($)
 					console.error(response.message);
 				}
 
-				// remove spinner
+				// Remove spinner
 				if ($checker.length) {
 					//$checker.show().siblings('img').remove();
 					$checker.show().siblings('.spinner').remove();
 				} else {
-					//$checker_holder.children('img').remove();
-					$checker_holder.children('.spinner').remove();
+					//$checkerHolder.children('img').remove();
+					$checkerHolder.children('.spinner').remove();
 				}
 
-				// enable sorting again
+				// Enable sorting again
 				$sort.sortable('enable');
 			}, 'json');
 
 
-			// fix table row colors
-			$('table.wp-list-table > tbody > tr').each(function(index, el) {
+			// Fix table row colors
+			$('table.wp-list-table > tbody > tr').each(function (index, el) {
 				if (index % 2 === 0) {
 					$(el).addClass('alternate');
 				} else {
@@ -163,8 +168,8 @@ jQuery(document).ready(function($)
 	});
 
 
-	// catch add-tag ajax calls
-	$(document).ajaxSuccess(function(event, xhr, settings) {
+	// Catch add-tag ajax calls
+	$(document).ajaxSuccess(function (event, xhr, settings) {
 		if (settings.data && settings.data.indexOf('action=add-tag') !== -1 && xhr.responseText && xhr.responseText.indexOf('wp_error') === -1) {
 			$sort.sortable('refresh');
 		}
diff --git a/src/readme.txt b/src/readme.txt
index 4ad4787..9c49f9c 100644
--- a/src/readme.txt
+++ b/src/readme.txt
@@ -4,7 +4,7 @@ Tags: sort, order, terms, taxonomy
 Requires PHP: 5.6
 Requires at least: 3.5
 Tested up to: 6.8
-Stable tag: 1.5.0
+Stable tag: 1.5.2
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -79,6 +79,8 @@ Please make sure to include plugin version when reporting bugs.
 2. Settings section where you can select which taxonomy should be sortable.
 
 == Changelog ==
+= 1.5.2 =
+* Fixed version label
 = 1.5.1 =
 * Add nonce for AJAX requests to prevent CSRF attacks
 * Force AJAX message as text content
@@ -104,6 +106,8 @@ Please make sure to include plugin version when reporting bugs.
 * Initial release
 
 == Upgrade Notice ==
+= 1.5.2 =
+* Fixed version label
 = 1.5.1 =
 * Add nonce for AJAX requests to prevent CSRF attacks
 * Force AJAX message as text content