diff --git a/library/HTMLPurifier/AttrDef/Enum.php b/library/HTMLPurifier/AttrDef/Enum.php
index a7da54cd..3246318f 100644
--- a/library/HTMLPurifier/AttrDef/Enum.php
+++ b/library/HTMLPurifier/AttrDef/Enum.php
@@ -25,8 +25,8 @@ class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef
      * @param $case_sensitive Bool indicating whether or not case sensitive
      */
     function HTMLPurifier_AttrDef_Enum(
-        $valid_values = array(), $case_sensitive = false) {
-        
+        $valid_values = array(), $case_sensitive = false
+    ) {
         $this->valid_values = array_flip($valid_values);
         $this->case_sensitive = $case_sensitive;
     }