diff --git a/php/model/LocalArticleManager.php b/php/model/LocalArticleManager.php
index 07af019..2ee8ce9 100644
--- a/php/model/LocalArticleManager.php
+++ b/php/model/LocalArticleManager.php
@@ -200,7 +200,7 @@ class LocalArticleManager implements ArticleManagerDAO {
 
     return $filteredArticles;
     }
-    
+
     public function getArticlesByCategory($category)
     {
         $articles = $this->getAllArticles();