Fix in docs: pipe(docs) instead of pipe(texts) (#5680)
Fix in docs: pipe(docs) instead of pipe(texts) (#5680)

Very minor fix in docs, specifically in this part:

```
 matcher = PhraseMatcher(nlp.vocab)
>   for doc in matcher.pipe(texts, batch_size=50):
>       pass
```

`texts` suggests the input is an iterable of strings. I replaced it for `docs`.
explosion/spaCy,explosion/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,spacy-io/spaCy,explosion/spaCy,spacy-io/spaCy,spacy-io/spaCy,honnibal/spaCy,explosion/spaCy,honnibal/spaCy,spacy-io/spaCy,honnibal/spaCy,honnibal/spaCy,explosion/spaCy