Proposed improvement to typo3 flow documentation

findByBlog

/**
     * Finds posts by the specified blog
     *
     * @param \TYPO3\Blog\Domain\Model\Blog $blog The blog the post must refer to
     * @param integer $limit The number of posts to return at max
     * @return \TYPO3\Flow\Persistence\QueryResultInterface The posts
     */
    public function findByBlog(\TYPO3\Blog\Domain\Model\Blog $blog, $limit) {
        $query = $this->createQuery();
        $query->setLimit($limit);
        return $query->matching($query->equals('blog', $blog))
            ->setOrderings(array('date' => \TYPO3\Flow\Persistence\QueryInterface::ORDER_DESCENDING))
            ->execute();
    }