Fix PR link

Author: hynek

CHANGELOG.md

@@ -19,7 +19,7 @@ The **third number** is for emergencies when we need to start branches for older
 - Added `start-at` in addition to `start-after` that preserves the string that is looked for. This often removes the need for adding markers because you can define the starting point using a heading that becomes part of the fragment.
 
    For example: `start-at = "## License"` gives you `## License` and everything that follows.
-   [#71](https://github.com/hynek/hatch-fancy-pypi-readme/issues/71)
+   [#16](https://github.com/hynek/hatch-fancy-pypi-readme/issues/16)
 
 
 ## [22.7.0](https://github.com/hynek/hatch-fancy-pypi-readme/compare/22.6.0...22.7.0) - 2022-09-12