fix legal link

c3mkdocs/base.html

@@ -153,7 +153,8 @@
             {%- if config.copyright %}
                 <p>{{ config.copyright }}</p>
             {%- endif %}
-            <p>Documentation built with <a href="https://www.mkdocs.org/">MkDocs</a>. <a href="https://events.ccc.de/impressum/">Impressum</a></p>
+            <p>Documentation built with <a href="https://www.mkdocs.org/">MkDocs</a>. <a href="https://legal.cccv.de/">Impressum und Datenschutzerklärung
+</a></p>
           {%- endblock %}
         </footer>