Try again

_config.yml

@@ -14,6 +14,7 @@ html:
   use_issues_button: true
   use_repository_button: true
   google_analytics_id: G-JRQHYVFQR7
+  extra_footer: '<p>Xarray is a fiscally sponsored project of <a href="https://numfocus.org">NumFOCUS</a>, a nonprofit dedicated to supporting the open-source scientific computing community.<br> Theme by the <a href="https://ebp.jupyterbook.org">Executable Book Project</a></p> Content licensed under the terms of the <a href="https://www.apache.org/licenses/LICENSE-2.0.html">Apached 2.0 License</a>.'
 
 parse:
   # https://jupyterbook.org/content/content-blocks.html?highlight=myst%20substitution#define-substitutions-for-your-whole-book
@@ -75,8 +76,6 @@ sphinx:
     notfound_context:
       body: "<h1>Whoops! 404 Page Not Found</h1>\n\n<p>Sorry, this page doesn't exist. Many sections of this book have been updated recently.</p><p> Try the search box 🔎 to find what you're looking for!</p>"
     notfound_urls_prefix: /
-    extra_footer: '<p>Xarray is a fiscally sponsored project of <a href="https://numfocus.org">NumFOCUS</a>, a nonprofit dedicated to supporting the open-source scientific computing community.<br> Theme by the <a href="https://ebp.jupyterbook.org">Executable Book Project</a></p> Content licensed under the terms of the <a href="https://www.apache.org/licenses/LICENSE-2.0.html">Apached 2.0 License</a>.'
-
     rediraffe_redirects:
       scipy-tutorial/00_overview.ipynb: overview/get-started.md
       workshops/scipy2022/README.md: overview/fundamental-path/README.md