+It optionally depends on the following extensions:
+
+* [json](http://php.net/json)
+
+## ChangeLog
+
+A comprehensive list of changes can be obtained from the
+[PECL website](https://pecl.php.net/package-changelog.php?package=pq).
+
+## License
+
+ext-pq is licensed under the 2-Clause-BSD license, which can be found in
+the accompanying [LICENSE](./LICENSE) file.
+
+## Contributing
+
+All forms of contribution are welcome! Please see the bundled
+[CONTRIBUTING](./CONTRIBUTING.md) note for the general principles followed.