fix typo in docstring
fix typo in docstring

honnibal/spaCy,honnibal/spaCy,spacy-io/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,explosion/spaCy,spacy-io/spaCy,explosion/spaCy,explosion/spaCy,spacy-io/spaCy,honnibal/spaCy,honnibal/spaCy,spacy-io/spaCy,explosion/spaCy,explosion/spaCy