fix typo

templates/login.html

@@ -15,7 +15,7 @@
     </div>
     <h3>{{ title_text }}</h3>
   </a>
-  <p class="fs-5" style="color: #023d6b;">A central JupyterHub everyone within NFDI.</p>
+  <p class="fs-5" style="color: #023d6b;">A central JupyterHub for everyone within <a target="_blank" href="https://www.nfdi.de/">NFDI</a>.</p>
   <p class="fs-5"> {{ text }} <a target="_blank" href="{{href}}">Read more.</a> </p>
 </div>
 {%- endmacro -%}