diff --git a/modules/saml/docs/sp.txt b/modules/saml/docs/sp.txt
index 4c95f5165ea6c9d218870ae9c0c322468f558a47..ce3410639b60c443474c2bf17a18ae75a2c5668c 100644
--- a/modules/saml/docs/sp.txt
+++ b/modules/saml/docs/sp.txt
@@ -116,7 +116,7 @@ Here we will list some examples for this authentication source.
 
     $dom = new DOMDocument();
     $ce = $dom->createElementNS('http://www.example.com/XFoo', 'xfoo:test', 'Test data!');
-    ext[] = new SAML2_XML_Chunk($ce);
+    $ext[] = new SAML2_XML_Chunk($ce);
 
     $auth = new SimpleSAML_Auth_Simple('default-sp');
     $auth->login(array(