Use 1/3-em space between sentances in the footer

A standard space isn't quite enough, but an en-space is just a bit much.

public/faq.html

@@ -37,7 +37,7 @@
             <p>Hi 👋, I'm <a href="https://liberapay.com/tec">Timothy</a>, and
             I've been the driving force behind the 2022 Emacs User Survey.
             <a href="https://github.com/abrochard">Adrien</a> did a fantastic
-            job with the 2021 survey, and I've worked with him to refine the
+            job with the 2020 survey, and I've worked with him to refine the
             2020 questions and re-use the emacssurvey.org domain.</p>
 
             <h3>How is the survey being conducted?</h3>
@@ -117,7 +117,7 @@
         </main>
         <footer>
             This work is licensed under a
-            <a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/">CC-BY-SA 4.0 License</a>
+            <a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/">CC-BY-SA 4.0 License</a>.
         </footer>
     </body>
 </html>