Merge pull request #252 from bsipocz/MAINT_fix_build_warning

MAINT: fix warning in html build

Author: mattip

Diff for: site/contributing.md

@@ -42,7 +42,7 @@ You may notice our content is in markdown format (`.md` files). We review and
 host notebooks in the [MyST-NB](https://myst-nb.readthedocs.io/) format. We
 accept both Jupyter notebooks (`.ipynb`) and MyST-NB notebooks (`.md`).
 If you want to sync your `.ipynb` to your `.md` file follow the [pairing
-tutorial](content/pairing.md).
+tutorial](content/pairing).
 
 ```{toctree}
 :hidden:

Diff for: tox.ini

@@ -28,7 +28,7 @@ deps =
     devdeps: matplotlib>=0.0.dev0
     devdeps: pandas>=0.0.dev0
 
-allowlist_externals = bash
+allowlist_externals = bash, make
 
 commands =
     # Force numpy reinstall to work around upper version limits in downstream dependencies (e.g. pandas)