diff --git a/configuration.php b/configuration.php
index 20f53ec..cb36404 100644
--- a/configuration.php
+++ b/configuration.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 class Configuration {
     private static $instance = null;
diff --git a/global.php b/global.php
index 4cdb807..209a6d1 100644
--- a/global.php
+++ b/global.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 require_once('configuration.php');
 require_once('lib/Connection.php');
diff --git a/lib/AudioBook.php b/lib/AudioBook.php
index 8b19bea..9b0bf99 100644
--- a/lib/AudioBook.php
+++ b/lib/AudioBook.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 require_once('DbMapping.php');
 
 
diff --git a/lib/BookSearch.php b/lib/BookSearch.php
index 22092bd..46e99c7 100644
--- a/lib/BookSearch.php
+++ b/lib/BookSearch.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 mb_http_output('UTF-8');
 
diff --git a/lib/Connection.php b/lib/Connection.php
index 7072e68..d1774cd 100644
--- a/lib/Connection.php
+++ b/lib/Connection.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 class Connection
 {
diff --git a/lib/DbMapping.php b/lib/DbMapping.php
index c0a1c06..9bcab3c 100644
--- a/lib/DbMapping.php
+++ b/lib/DbMapping.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 /**
  * Base class for mapping objects. inherit you database filled objects from here.
diff --git a/lib/User.php b/lib/User.php
index 2436250..21f0194 100644
--- a/lib/User.php
+++ b/lib/User.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 require_once('DbMapping.php');
 require_once('AudioBook.php');
 
diff --git a/mobile.netbiblio.php b/mobile.netbiblio.php
index d55dd84..f3b133f 100644
--- a/mobile.netbiblio.php
+++ b/mobile.netbiblio.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 /*
  * Copyright Mathieu Schroeter for the BSR, 2013
diff --git a/mobile.php b/mobile.php
index e60679a..f8a5a0a 100644
--- a/mobile.php
+++ b/mobile.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 require_once "mobile.netbiblio.php";
 
diff --git a/mobile.webservice.php b/mobile.webservice.php
index 5a1082a..097c845 100644
--- a/mobile.webservice.php
+++ b/mobile.webservice.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 class WebException extends Exception
 {