diff --git a/src/AbstractWord.php b/src/AbstractWord.php
index f95f753..7c0a942 100644
--- a/src/AbstractWord.php
+++ b/src/AbstractWord.php
@@ -172,7 +172,7 @@ public function getId()
      * @param string $id
      * @return AbstractWord
      */
-    protected function setId ($id)
+    protected function setId($id)
     {
         $this->id = $id;
         return $this;