Correct link to UN Declaration Of Human Rights (#4518)

Closes #4514

Co-authored-by: Mike Gower <[email protected]>

Author: fstrr

understanding/21/text-spacing.html

@@ -106,7 +106,7 @@ <h4 id="lang">Languages and Scripts</h4>
         <ul>
         <li><a href="http://www.geonames.de/languages.html">Languages in their own writing systems</a></li>
         <li><a href="https://www.omniglot.com/language/names.htm">Online Encyclopedia of writing systems and languages &#8211; language names</a></li>
-        <li><a href="https://www.omniglot.com/language/phrases/index.htm">Universal Declaration of Human Rights (Article 1)</a></li>
+        <li><a href="https://www.un.org/en/about-us/universal-declaration-of-human-rights">Universal Declaration of Human Rights</a></li>
         </ul>
       </section>
       <section>