diff --git a/core/modules/contextual/contextual.js b/core/modules/contextual/contextual.js
index ee5b7a0..5085ea0 100644
--- a/core/modules/contextual/contextual.js
+++ b/core/modules/contextual/contextual.js
@@ -1,3 +1,8 @@
+/**
+ * @file
+ * Attaches behaviors for the Contextual module.
+ */
+
 (function ($) {
 
 Drupal.contextualLinks = Drupal.contextualLinks || {};
diff --git a/core/modules/contextual/contextual.module b/core/modules/contextual/contextual.module
index e3c0f8b..d29f68a 100644
--- a/core/modules/contextual/contextual.module
+++ b/core/modules/contextual/contextual.module
@@ -77,7 +77,7 @@ function contextual_element_info() {
 }
 
 /**
- * Template variable preprocessor for contextual links.
+ * Implements hook_preprocess().
  *
  * @see contextual_pre_render_links()
  */
@@ -114,7 +114,7 @@ function contextual_preprocess(&$variables, $hook) {
 }
 
 /**
- * Build a renderable array for contextual links.
+ * Builds a renderable array for contextual links.
  *
  * @param $element
  *   A renderable array containing a #contextual_links property, which is a