Update changelog entry.

CHANGELOG.md

@@ -49,8 +49,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Reduce LLVM line counts to improve compilation times. [#1604](https://github.com/PyO3/pyo3/pull/1604)
 - Deprecate string-literal second argument to `#[pyfn(m, "name")]`. [#1610](https://github.com/PyO3/pyo3/pull/1610)
 - No longer call `PyEval_InitThreads()` in `#[pymodule]` init code. [#1630](https://github.com/PyO3/pyo3/pull/1630)
-- Use `METH_FASTCALL` argument passing convention, when possible, to improve `#[pyfunction]` performance. [#1619](https://github.com/PyO3/pyo3/pull/1619)
 - Deprecate `#[text_signature = "..."]` attributes in favor of `#[pyo3(text_signature = "...")]`. [#1658](https://github.com/PyO3/pyo3/pull/1658)
+- Use `METH_FASTCALL` argument passing convention, when possible, to improve `#[pyfunction]` and method performance.
+  [#1619](https://github.com/PyO3/pyo3/pull/1619), [#1660](https://github.com/PyO3/pyo3/pull/1660)
 
 ### Removed
 - Remove deprecated exception names `BaseException` etc. [#1426](https://github.com/PyO3/pyo3/pull/1426)