fixed 'register now' button going to wrong url on about page

templates/about/about.jinja

@@ -73,7 +73,7 @@
             Create a free account to track species, contribute to our database, and connect with the conservation community.
         </p>
         <div class="homepage-buttons">
-            {{ button(url='/accounts/user_registration', button_text='Create an Account', extra_classes='homepage-btn') }}
+            {{ button(url='/register', button_text='Create an Account', extra_classes='homepage-btn') }}
         </div>
     </div>
 </section>