diff --git a/ConstraintViolationInterface.php b/ConstraintViolationInterface.php
index b66b0741a..5ac25cf9b 100644
--- a/ConstraintViolationInterface.php
+++ b/ConstraintViolationInterface.php
@@ -19,11 +19,9 @@
  * element in the validation graph and the root element that was originally
  * passed to the validator. For example, take the following graph:
  *
- * <pre>
- * (Person)---(firstName: string)
- *      \
- *   (address: Address)---(street: string)
- * </pre>
+ *     (Person)---(firstName: string)
+ *          \
+ *       (address: Address)---(street: string)
  *
  * If the <tt>Person</tt> object is validated and validation fails for the
  * "firstName" property, the generated violation has the <tt>Person</tt>