diff --git a/docs/index.html b/docs/index.html
index 5a27c4bd45..3ef56a3635 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -144,7 +144,7 @@ <h2><strong>Introduction</strong><a class="headerlink" href="#introduction" titl
 </div>
 <section id="functionality">
 <h3><a class="toc-backref" href="#id6"><strong>Functionality</strong></a><a class="headerlink" href="#functionality" title="Permalink to this headline">¶</a></h3>
-<p>&lt;a href=”<a class="reference external" href="https://doi.org/10.5281/zenodo.14274886">https://doi.org/10.5281/zenodo.14274886</a>”&gt;&lt;img src=”<a class="reference external" href="https://zenodo.org/badge/DOI/https://doi.org/10.5281/zenodo.14274886">https://zenodo.org/badge/DOI/https://doi.org/10.5281/zenodo.14274886</a>” alt=”DOI”&gt;&lt;/a&gt;</p>
+<p><a href="https://doi.org/10.5281/zenodo.14274886"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.14274886.svg" alt="DOI"></a></p>
 <p>The <code class="xref py py-obj docutils literal notranslate"><span class="pre">cf</span></code> package implements the <a class="reference internal" href="introduction.html#cf-data-model"><span class="std std-ref">CF data model</span></a> for its internal
 data structures and so is able to process any CF-compliant dataset. It
 is not strict about CF-compliance, however, so that partially
@@ -398,4 +398,4 @@ <h2><strong>Index and search</strong><a class="headerlink" href="#index-and-sear
 
     
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/docs/introduction.html b/docs/introduction.html
index 00dd9606d7..1f42e13625 100644
--- a/docs/introduction.html
+++ b/docs/introduction.html
@@ -143,7 +143,7 @@ <h1><strong>Introduction</strong><a class="headerlink" href="#introduction" titl
 </div>
 <section id="functionality">
 <h2><a class="toc-backref" href="#id5"><strong>Functionality</strong></a><a class="headerlink" href="#functionality" title="Permalink to this headline">¶</a></h2>
-<p>&lt;a href=”<a class="reference external" href="https://doi.org/10.5281/zenodo.14274886">https://doi.org/10.5281/zenodo.14274886</a>”&gt;&lt;img src=”<a class="reference external" href="https://zenodo.org/badge/DOI/https://doi.org/10.5281/zenodo.14274886">https://zenodo.org/badge/DOI/https://doi.org/10.5281/zenodo.14274886</a>” alt=”DOI”&gt;&lt;/a&gt;</p>
+<p><a href="https://doi.org/10.5281/zenodo.14274886"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.14274886.svg" alt="DOI"></a></p>
 <p>The <code class="xref py py-obj docutils literal notranslate"><span class="pre">cf</span></code> package implements the <a class="reference internal" href="#cf-data-model"><span class="std std-ref">CF data model</span></a> for its internal
 data structures and so is able to process any CF-compliant dataset. It
 is not strict about CF-compliance, however, so that partially
@@ -369,4 +369,4 @@ <h2><a class="toc-backref" href="#id10"><strong>References</strong></a><a class=
 
     
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/docs/source/introduction.rst b/docs/source/introduction.rst
index 09d086f872..ca7789acb7 100644
--- a/docs/source/introduction.rst
+++ b/docs/source/introduction.rst
@@ -35,7 +35,9 @@ is built on a complete implementation of the :ref:`CF-data-model`.
 
 **Functionality**
 -----------------
-<a href="https://doi.org/10.5281/zenodo.14274886"><img src="https://zenodo.org/badge/DOI/https://doi.org/10.5281/zenodo.14274886" alt="DOI"></a>
+
+.. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.14274886.svg
+  :target: https://doi.org/10.5281/zenodo.14274886
 
 The `cf` package implements the :ref:`CF-data-model` for its internal
 data structures and so is able to process any CF-compliant dataset. It