Fix comment

.github/workflows/step_comment-pr.yml

@@ -17,11 +17,13 @@ jobs:
         uses: thollander/actions-comment-pull-request@v2
         with:
           message: |
-            Thank you for making this pull request. Did you know? You can try it on Binder: [![Binder:lab](https://img.shields.io/badge/binder-jupyterlab-0172B2.svg)](https://mybinder.org/v2/gh/${{ github.repository }}/${{ github.head_ref }}?urlpath=lab/tree/demo/get_started.ipynb) or [![Binder:notebook](https://img.shields.io/badge/binder-notebook-0172B2.svg)](https://mybinder.org/v2/gh/${{ github.repository }}/${{ github.head_ref }}?filepath=demo).
+            Thank you for making this pull request.
 
-            You can also test this PR in your environment with
+            Did you know? You can try it on Binder: [![Binder:lab](https://img.shields.io/badge/binder-jupyterlab-0172B2.svg)](https://mybinder.org/v2/gh/${{ github.repository }}/${{ github.head_ref }}?urlpath=lab/tree/demo/get_started.ipynb) or [![Binder:notebook](https://img.shields.io/badge/binder-notebook-0172B2.svg)](https://mybinder.org/v2/gh/${{ github.repository }}/${{ github.head_ref }}?filepath=demo).
+
+            Also, the version of Jupytext developed in this PR can be installed with `pip`:
             ```
-            pip install git+https://github.com/{{ github.repository }}.git@{{ github.head_ref }}
+            pip install git+https://github.com/${{ github.repository }}.git@${{ github.head_ref }}
             ```
             (this requires `nodejs`, see more at [Developing Jupytext](https://jupytext.readthedocs.io/en/latest/developing.html))
           comment_tag: binder_link