diff --git a/core/modules/responsive_image/responsive_image.module b/core/modules/responsive_image/responsive_image.module
index 537c524..7637230 100644
--- a/core/modules/responsive_image/responsive_image.module
+++ b/core/modules/responsive_image/responsive_image.module
@@ -81,7 +81,12 @@ function responsive_image_theme() {
       ),
     ),
     'responsive_image_formatter' => array(
-      'variables' => array('item' => NULL, 'item_attributes' => NULL, 'url' => NULL, 'responsive_image_style_id' => NULL),
+      'variables' => array(
+        'item' => NULL,
+        'item_attributes' => NULL,
+        'url' => NULL,
+        'responsive_image_style_id' => NULL,
+      ),
     ),
   );
 }
@@ -94,9 +99,9 @@ function responsive_image_theme() {
  * @param array $variables
  *   An associative array containing:
  *   - item: An ImageItem object.
- *   - item_attributes: An optional associative array of html attributes to be
+ *   - item_attributes: An optional associative array of HTML attributes to be
  *     placed in the img tag.
- *   - responsive_image_style_id: An responsive image style.
+ *   - responsive_image_style_id: A responsive image style.
  *   - url: An optional \Drupal\Core\Url object.
  */
 function template_preprocess_responsive_image_formatter(&$variables) {
diff --git a/core/modules/responsive_image/templates/responsive-image-formatter.html.twig b/core/modules/responsive_image/templates/responsive-image-formatter.html.twig
index 820b221..93caba8 100644
--- a/core/modules/responsive_image/templates/responsive-image-formatter.html.twig
+++ b/core/modules/responsive_image/templates/responsive-image-formatter.html.twig
@@ -1,7 +1,7 @@
 {#
 /**
  * @file
- * Responsive theme implementation to display a formatted image field.
+ * Default theme implementation to display a formatted responsive image field.
  *
  * Available variables:
  * - responsive_image: A collection of responsive image data.