Update _install.jade (#2688)
Update _install.jade (#2688)

Typo fix: "models" -> "model"
honnibal/spaCy,spacy-io/spaCy,explosion/spaCy,recognai/spaCy,recognai/spaCy,aikramer2/spaCy,recognai/spaCy,aikramer2/spaCy,explosion/spaCy,aikramer2/spaCy,explosion/spaCy,spacy-io/spaCy,recognai/spaCy,honnibal/spaCy,spacy-io/spaCy,honnibal/spaCy,explosion/spaCy,explosion/spaCy,explosion/spaCy,honnibal/spaCy,aikramer2/spaCy,recognai/spaCy,spacy-io/spaCy,recognai/spaCy,aikramer2/spaCy,aikramer2/spaCy,spacy-io/spaCy,spacy-io/spaCy