diff --git a/core/modules/views/views.theme.inc b/core/modules/views/views.theme.inc
index 7e5fcd5..92f7411 100644
--- a/core/modules/views/views.theme.inc
+++ b/core/modules/views/views.theme.inc
@@ -316,16 +316,17 @@ function template_preprocess_views_view_fields(&$vars) {
  *
  * @param $variables
  *   An associative array containing:
- *   - separator: A string that separates the fields.
- *   - wrapper_suffix: A string added to the beginning of the fields.
- *   - label_html: An HTML string that labels the fields.
- *   - content: The fields.
- *   - wrapper_suffix: A string added to the end of the fields.
+ *   - fields: An array of field objects. Each field object contains:
+ *     - separator: A string that separates the fields.
+ *     - wrapper_suffix: A string added to the beginning of the fields.
+ *     - label_html: An HTML string that labels the fields.
+ *     - content: The fields.
+ *     - wrapper_suffix: A string added to the end of the fields.
  *
  * @see template_preprocess_views_view_fields()
  */
-function theme_views_view_fields($vars) {
-  $fields = $vars['fields'];
+function theme_views_view_fields($variables) {
+  $fields = $variables['fields'];
   $output = '';
 
   foreach ($fields as $id => $field) {