diff --git a/src/MicrodataDOMElement.php b/src/MicrodataDOMElement.php
index f6e0b20..c5ddff8 100644
--- a/src/MicrodataDOMElement.php
+++ b/src/MicrodataDOMElement.php
@@ -134,10 +134,11 @@ class MicrodataDOMElement extends \DOMElement
         return $childNodes;
     }
 
-    public function tokenizeAttribute($attributeName) {
+    public function tokenizeAttribute($attributeName)
+    {
         $attribute = [];
 
-        if($this->hasAttribute($attributeName)) {
+        if ($this->hasAttribute($attributeName)) {
             $attribute = $this->tokenize($this->getAttribute($attributeName));
         }