Use the footnote in the installation page
@@ -18,8 +18,8 @@ to install pip supported directly by pip's maintainers:
### `ensurepip`
-Python comes with an {mod}`ensurepip` module, which can install pip in a
-Python environment.
+Python comes with an {mod}`ensurepip` module[^python], which can install pip in
+a Python environment.
```{pip-cli}
$ python -m ensurepip --upgrade
