minor #220 Minor doc fix (boutetnico)
minor #220 Minor doc fix (boutetnico)

This PR was merged into the 1.5-dev branch.

Discussion
----------

Minor doc fix

Remove duplicate keyword in documentation

Commits
-------

91c7ccd minor doc fix

sroze/twig-extensions,twigphp/Twig-extensions,twoixter/Twig-extensions