Update Manuel description in ACKs page

Author: Renato Juaçaba Neto

pages/acknowledgements.html

@@ -155,8 +155,7 @@ <h4 class="person-link">Manuel Bernal Llinares</h4></a
                 </div>
                 <p>
                     Manuel Bernal Llinares is a professional Software Engineer working in
-                    Research since 2005, currently Project Lead at identifiers.org since
-                    2019.
+                    Research since 2005. Project Lead at identifiers.org from 2019 to 2022.
                 </p>
             </div>
         </div>