new fix for Propel docs URLs

looks like previous fix was incomplete

Author: garak

book/propel.rst

@@ -478,6 +478,6 @@ You should read the dedicated section for `Propel commands in Symfony2`_.
 
 .. _`Working With Symfony2`: http://propelorm.org/Propel/cookbook/symfony2/working-with-symfony2.html#installation
 .. _`PropelBundle configuration section`: http://propelorm.org/Propel/cookbook/symfony2/working-with-symfony2.html#configuration
-.. _`Relationships`: http://propelorm.org/documentation/04-relationships.html
-.. _`Behaviors reference section`: http://propelorm.org/documentation/#behaviors-reference
+.. _`Relationships`: http://propelorm.org/Propel/documentation/04-relationships.html
+.. _`Behaviors reference section`: http://propelorm.org/Propel/documentation/#behaviors-reference
 .. _`Propel commands in Symfony2`: http://propelorm.org/Propel/cookbook/symfony2/working-with-symfony2#the-commands