correct doc string to represent the fact the service detects the language of the provided content (#339)
correct doc string to represent the fact the service detects the language of the provided content (#339)


jdpedrie/google-cloud-php,googleapis/google-cloud-php,tmatsuo/google-cloud-php,pvm1987/google-cloud-php,jdpedrie/google-cloud-php,pvm1987/google-cloud-php,jdpedrie/google-cloud-php,googleapis/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,chingor13/google-cloud-php,chingor13/google-cloud-php,tmatsuo/google-cloud-php