diff --git a/language/oop5/traits.xml b/language/oop5/traits.xml
index 31828868f3..48b04d4c28 100644
--- a/language/oop5/traits.xml
+++ b/language/oop5/traits.xml
@@ -65,20 +65,20 @@ class ezcReflectionFunction extends ReflectionFunction {
 <![CDATA[
 <?php
 class Base {
-  public function sayHello() {
-    echo 'Hello ';
-  }
+    public function sayHello() {
+        echo 'Hello ';
+    }
 }
 
 trait SayWorld {
-  public function sayHello() {
-    parent::sayHello();
-    echo 'World!';
-  }
+    public function sayHello() {
+        parent::sayHello();
+        echo 'World!';
+    }
 }
 
 class MyHelloWorld extends Base {
-  use SayWorld;
+    use SayWorld;
 }
 
 $o = new MyHelloWorld();
@@ -99,16 +99,16 @@ Hello World!
 <![CDATA[
 <?php
 trait HelloWorld {
-  public function sayHello() {
-    echo 'Hello World!';
-  }
+    public function sayHello() {
+        echo 'Hello World!';
+    }
 }
 
 class TheWorldIsNotEnough {
-  use HelloWorld;
-  public function sayHello() {
-    echo 'Hello Universe!';
-  }
+    use HelloWorld;
+    public function sayHello() {
+        echo 'Hello Universe!';
+    }
 }
 
 $o = new TheWorldIsNotEnough();
@@ -137,22 +137,22 @@ Hello Universe!
 <![CDATA[
 <?php
 trait Hello {
-  public function sayHello() {
-    echo 'Hello ';
-  }
+    public function sayHello() {
+        echo 'Hello ';
+    }
 }
 
 trait World {
-  public function sayWorld() {
-    echo ' World';
-  }
+    public function sayWorld() {
+        echo ' World';
+    }
 }
 
 class MyHelloWorld {
-  use Hello, World;
-  public function sayExclamationMark() {
-    echo '!';
-  }
+    use Hello, World;
+    public function sayExclamationMark() {
+        echo '!';
+    }
 }
 
 $o = new MyHelloWorld();
@@ -204,36 +204,36 @@ Hello World!
 <![CDATA[
 <?php
 trait A {
-  public function smallTalk() {
-    echo 'a';
-  }
-  public function bigTalk() {
-    echo 'A';
-  }
+    public function smallTalk() {
+        echo 'a';
+    }
+    public function bigTalk() {
+        echo 'A';
+    }
 }
 
 trait B {
-  public function smallTalk() {
-    echo 'b';
-  }
-  public function bigTalk() {
-    echo 'B';
-  }
+    public function smallTalk() {
+        echo 'b';
+    }
+    public function bigTalk() {
+        echo 'B';
+    }
 }
 
 class Talker {
-  use A, B {
-    B::smallTalk insteadof A;
-    A::bigTalk insteadof B;
-  }
+    use A, B {
+        B::smallTalk insteadof A;
+        A::bigTalk insteadof B;
+    }
 }
 
 class Aliased_Talker {
-  use A, B {
-    B::smallTalk insteadof A;
-    A::bigTalk insteadof B;
-    B::bigTalk as talk;
-  }
+    use A, B {
+        B::smallTalk insteadof A;
+        A::bigTalk insteadof B;
+        B::bigTalk as talk;
+    }
 }
 ?>
 ]]>
@@ -253,20 +253,20 @@ class Aliased_Talker {
 <![CDATA[
 <?php
 trait HelloWorld {
-  public function sayHello() {
-    echo 'Hello World!';
-  }
+    public function sayHello() {
+        echo 'Hello World!';
+    }
 }
 
 // Change visibility of sayHello
 class MyClass1 {
-  use HelloWorld { sayHello as protected; }
+    use HelloWorld { sayHello as protected; }
 }
 
 // Alias method with changed visibility
 // sayHello visibility not changed
 class MyClass2 {
-  use HelloWorld { sayHello as private myPrivateHello; }
+    use HelloWorld { sayHello as private myPrivateHello; }
 }
 ?>
 ]]>
@@ -287,23 +287,23 @@ class MyClass2 {
 <![CDATA[
 <?php
 trait Hello {
-  public function sayHello() {
-    echo 'Hello ';
-  }
+    public function sayHello() {
+        echo 'Hello ';
+    }
 }
 
 trait World {
-  public function sayWorld() {
-    echo 'World!';
-  }
+    public function sayWorld() {
+        echo 'World!';
+    }
 }
 
 trait HelloWorld {
-  use Hello, World;
+    use Hello, World;
 }
 
 class MyHelloWorld {
-  use HelloWorld;
+    use HelloWorld;
 }
 
 $o = new MyHelloWorld();
@@ -333,21 +333,21 @@ Hello World!
 <![CDATA[
 <?php
 trait Hello {
-  public function sayHelloWorld() {
-    echo 'Hello'.$this->getWorld();
-  }
-  abstract public function getWorld();
+    public function sayHelloWorld() {
+        echo 'Hello'.$this->getWorld();
+    }
+    abstract public function getWorld();
 }
 
 class MyHelloWorld {
-  private $world;
-  use Hello;
-  public function getWorld() {
-    return $this->world;
-  }
-  public function setWorld($val) {
-    $this->world = $val;
-  }
+    private $world;
+    use Hello;
+    public function getWorld() {
+        return $this->world;
+    }
+    public function setWorld($val) {
+        $this->world = $val;
+    }
 }
 ?>
 ]]>
@@ -367,24 +367,24 @@ class MyHelloWorld {
     <programlisting role="php">
 <![CDATA[
 <?php
-  trait Counter {
+trait Counter {
     public function inc() {
-      static $c = 0;
-      $c = $c + 1;
-      echo "$c\n";
+        static $c = 0;
+        $c = $c + 1;
+        echo "$c\n";
     }
-  }
+}
 
-  class C1 {
+class C1 {
     use Counter;
-  }
+}
 
-  class C2 {
+class C2 {
     use Counter;
-  }
+}
 
-  $o = new C1(); $o->inc(); // echo 1
-  $p = new C2(); $p->inc(); // echo 1
+$o = new C1(); $o->inc(); // echo 1
+$p = new C2(); $p->inc(); // echo 1
 ?>
 ]]>
     </programlisting>
@@ -394,17 +394,17 @@ class MyHelloWorld {
     <programlisting role="php">
 <![CDATA[
 <?php
-  trait StaticExample {
+trait StaticExample {
     public static function doSomething() {
-      return 'Doing something';
+        return 'Doing something';
     }
-  }
+}
 
-  class Example {
+class Example {
     use StaticExample;
-  }
+}
 
-  Example::doSomething();
+Example::doSomething();
 ?>
 ]]>
     </programlisting>