Update link hashes to propel site.

Author: rubenrua

book/propel.rst

@@ -479,5 +479,5 @@ You should read the dedicated section for `Propel commands in Symfony2`_.
 .. _`Working With Symfony2`: http://propelorm.org/cookbook/symfony2/working-with-symfony2.html#installation
 .. _`PropelBundle configuration section`: http://propelorm.org/cookbook/symfony2/working-with-symfony2.html#configuration
 .. _`Relationships`: http://propelorm.org/documentation/04-relationships.html
-.. _`Behaviors reference section`: http://propelorm.org/documentation/#behaviors_reference
-.. _`Propel commands in Symfony2`: http://propelorm.org/cookbook/symfony2/working-with-symfony2#the_commands
+.. _`Behaviors reference section`: http://propelorm.org/documentation/#behaviors-reference
+.. _`Propel commands in Symfony2`: http://propelorm.org/cookbook/symfony2/working-with-symfony2#the-commands