diff --git a/core/modules/translation_entity/translation_entity.admin.inc b/core/modules/translation_entity/translation_entity.admin.inc
index be83c31..51be6a5 100644
--- a/core/modules/translation_entity/translation_entity.admin.inc
+++ b/core/modules/translation_entity/translation_entity.admin.inc
@@ -138,7 +138,7 @@ function _translation_entity_preprocess_language_content_settings_table(&$variab
 
     $rows[$bundle]['data'][1]['data']['#prefix'] = '<label for="' . $checkbox_id . '">';
     $rows[$bundle]['data'][2]['data']['language']['language_show']['#description'] = t('Some default language options are hidden if the language selector is not shown.');
-    // Adds CSS classes for easier JS selection
+    // Add CSS classes for easier JS selection.
     $rows[$bundle]['data'][2]['data']['language']['language_show'] = array_merge_recursive($rows[$bundle]['data'][2]['data']['language']['language_show'], array('#attributes' => array(
       'class' => array('language-show-checkbox')
     )));
@@ -148,7 +148,6 @@ function _translation_entity_preprocess_language_content_settings_table(&$variab
       )));
     }
 
-
     foreach ($field_names as $field_name) {
       $field_element = &$element[$bundle]['fields'][$field_name];
 
diff --git a/core/modules/translation_entity/translation_entity.admin.js b/core/modules/translation_entity/translation_entity.admin.js
index 93310d1..f518c7d 100644
--- a/core/modules/translation_entity/translation_entity.admin.js
+++ b/core/modules/translation_entity/translation_entity.admin.js
@@ -106,22 +106,22 @@ Drupal.behaviors.translationEntity = {
 /**
  * Removes unusable locked languages when not showing language selector.
  *
- * This behavior gets attached on the relevant entity edition form and
- * the translation entity summary form.
+ * This behavior gets attached on the relevant entity edit form and the
+ * translation entity summary form.
  */
 Drupal.behaviors.lockedSelector = {
   attach: function (context) {
     var $context = $(context);
 
-    // A custom message for the changed language options.
+    // Show a custom message for the changed language options.
     Drupal.theme.tableOptionsChangedWarning = function () {
      return '<div class="messages warning">' + Drupal.t('Your default language has been changed. To use a locked language, the language selector needs to be shown.') + '</div>';
     };
 
     // Declare the function in scope and reuse it later.
     var filterAvailableLanguages = function ($languageSelector, $checkbox, $translatable) {
-      // Get the list of all languages and unlocked languages based on the original
-      // language selector options.
+      // Get the list of all languages and unlocked languages based on the
+      // original language selector options.
       var $originalOptions = $languageSelector.data('originalOptions');
       if (typeof($originalOptions) !== 'undefined') {
         var $unlockedOptions = $originalOptions.filter(function (index) { return !/^- .* -$/.test(this.text); });
@@ -154,8 +154,8 @@ Drupal.behaviors.lockedSelector = {
           var $languageSelector = $('.langcode-select', element);
           var $checkbox = $('.language-show-checkbox', element);
 
-          // Execute the function at the beginning and whenever the relevant checkbox
-          // is clicked
+          // Execute the function at the beginning and whenever the relevant
+          // checkbox is clicked.
           $checkbox.on('click', function (e) {
             filterAvailableLanguages($languageSelector, $checkbox, $translatable);
           });
@@ -164,7 +164,7 @@ Drupal.behaviors.lockedSelector = {
       };
     };
 
-    // Determine the kind of form we are dealing with
+    // Determine the kind of form we are dealing with.
     var $container = $('.bundle-settings .operations, .details-wrapper', context);
     var $translatable = $('.translation-enabled-checkbox').once('locked-selector-options').on('click', function (e) {
       processSelectors($container);
diff --git a/core/modules/translation_entity/translation_entity.module b/core/modules/translation_entity/translation_entity.module
index 84fad47..8708639 100644
--- a/core/modules/translation_entity/translation_entity.module
+++ b/core/modules/translation_entity/translation_entity.module
@@ -923,14 +923,14 @@ function translation_entity_language_configuration_element_process(array $elemen
     $element['#attached']['library'][] = array('translation_entity', 'drupal.translation_entity.admin');
 
     if (isset($element['langcode'])) {
-      // Adds CSS classes for easier JS selection
+      // Add CSS classes for easier JS selection.
       $element['language_show'] = array_merge_recursive($element['language_show'], array('#attributes' => array(
         'class' => array('language-show-checkbox')
       )));
     }
     if (isset($element['langcode'])) {
-      // Description only visible if the bundle is translatable and the
-      // language selector is shown
+      // Make the description only visible if the bundle is translatable and the
+      // language selector is shown.
       $element['langcode']['#description'] .= '<span class="hidden-languages"> ' . t('Locked languages are hidden if the language selector is not shown and translation is enabled.') . '</span>';
       $element['langcode'] = array_merge_recursive($element['langcode'], array('#attributes' => array(
         'class' => array('langcode-select')