diff --git a/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateInterfaceTest.php b/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateInterfaceTest.php
index c30c707..7564bbd 100644
--- a/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateInterfaceTest.php
+++ b/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateInterfaceTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Definition of Drupal\locale\Tests\LocaleUpdateInterfaceTest.
+ * Tests for Drupal\locale\Tests\LocaleUpdateInterfaceTest.
  */
 
 namespace Drupal\locale\Tests;
@@ -104,4 +104,5 @@ function testInterface() {
     $this->assertText(t('@module (@version).', array('@module' => 'Locale test translate', '@version' => '1.3-dev')), 'Release details');
     $this->assertText(t('No translation files are provided for development releases.'), 'Release info');
   }
-}
\ No newline at end of file
+
+}
diff --git a/core/modules/locale/locale.pages.inc b/core/modules/locale/locale.pages.inc
index 86e333b..21f4d48 100644
--- a/core/modules/locale/locale.pages.inc
+++ b/core/modules/locale/locale.pages.inc
@@ -770,15 +770,15 @@ function locale_translation_language_table($form_element) {
  * "Translation source" setting at admin/config/regional/translate/settings.
  * This method will produce debug information including the respective path(s)
  * based on this setting.
+ *
  * Translations for development versions are never fetched, so the debug info
  * for that is a fixed message.
  *
- * @param string $version
- *   Version of the project.
- * @param string $remote_path
- *   Remote path where the translation file was tried to load from.
- * @param string $local_path
- *   Local path where the translation file was tried to load from.
+ * @param array $source
+ *   An array which is the project information of the source.
+ *
+ * @return string
+ *   The string which contains debug information.
  */
 function _locale_translation_status_debug_info($source) {
   $remote_path = isset($source->files['remote']->uri) ? $source->files['remote']->uri : '';
@@ -800,7 +800,11 @@ function _locale_translation_status_debug_info($source) {
 }
 
 /**
- * Default theme function for translation edit form.
+ * Returns HTML for translation edit form.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - form: The form that contains the language information.
  *
  * @see locale_translate_edit_form()
  * @ingroup themeable
@@ -838,7 +842,12 @@ function theme_locale_translate_edit_form_strings($variables) {
 }
 
 /**
- * Default theme function for translation status information per language.
+ * Returns HTML for translation status information per language.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - updates: The projects which have updates.
+ *   - not_found: The projects which updates are not found.
  *
  * @see locale_translation_status()
  * @ingroup themeable