fixed trans tag usage

Author: fabpot

book/translation.rst

@@ -712,9 +712,9 @@ You can also specify the message domain and pass some additional variables:
 
 .. code-block:: jinja
 
- {% trans with {'name': 'Fabien'} from "app" %}Hello %name%{% endtrans %}
+ {% trans with {'%name%': 'Fabien'} from "app" %}Hello %name%{% endtrans %}
 
- {% transchoice count with {'name': 'Fabien'} from "app" %}
+ {% transchoice count with {'%name%': 'Fabien'} from "app" %}
  {0} There is no apples|{1} There is one apple|]1,Inf] There are %count% apples
  {% endtranschoice %}
 
@@ -727,9 +727,9 @@ texts* and complex expressions:
 
  {{ message | transchoice(5) }}
 
- {{ message | trans({'name': 'Fabien'}, "app") }}
+ {{ message | trans({'%name%': 'Fabien'}, "app") }}
 
- {{ message | transchoice(5, {'name': 'Fabien'}, 'app') }}
+ {{ message | transchoice(5, {'%name%': 'Fabien'}, 'app') }}
 
 .. tip::
 
@@ -820,4 +820,4 @@ steps:
 
 .. _`strtr function`: http://www.php.net/manual/en/function.strtr.php
 .. _`ISO 31-11`: http://en.wikipedia.org/wiki/Interval_%28mathematics%29#The_ISO_notation
-.. _`Translatable Extension`: https://github.com/l3pp4rd/DoctrineExtensions
+.. _`Translatable Extension`: https://github.com/l3pp4rd/DoctrineExtensions