Update link to pip editable install docs

python_packaging/pkg_structure.rst

@@ -49,11 +49,10 @@ References
 
     #. We rely heavily on `"Editable" Installs`_.
        That is,
-       we install our packages from Git clones of the repositories using the :command:`python3 -m pip install --editable`
-       (or :command:`pip install -e`) command.
+       we install our packages from Git clones of the repositories using the :command:`python3 -m pip install --editable` command.
        That makes the workflow for getting updates into our installed packages a simple :command:`git pull` in the package repository clone directory.
 
-       .. _"Editable" Installs: https://pip.pypa.io/en/stable/cli/pip_install/#editable-installs
+       .. _"Editable" Installs: https://pip.pypa.io/en/stable/topics/local-project-installs/#editable-installs
 
     #. On our local workstations and laptops we work in `conda environments`_,
        either the :kbd:`base` environment created by installing the `Anaconda Python distribution`_,