- Fix grammar in doc/index.rst: "There two types" → "There are two types"
- Fix grammar in doc/index.rst: "if non of" → "if none of"
- Fix grammar in phpstan.dist.neon: "This errors" → "These errors"
- Fix grammar in examples/09-standalone-cli/README.md: "test add" → "test by adding"
- Fix sentence structure in examples/README.md for better readability
Signed-off-by: Oskar Stark <oskarstark@googlemail.com>