diff --git a/doc/source/_templates/index.html b/doc/source/_templates/index.html
index a5c9184..2597495 100644
--- a/doc/source/_templates/index.html
+++ b/doc/source/_templates/index.html
@@ -35,6 +35,7 @@ CTA format), Fermi/LAT and COMPTEL data. {%endtrans%}</p>
 <ul>
 <li><a class="smalllink" href="{{ pathto("user_manual/getting") }}">{%trans%}Installation{%endtrans%}</a></li> 
 <li><a class="smalllink" href="{{ pathto("user_manual/getting_started/quickstart") }}">{%trans%}Quickstart{%endtrans%}</a></li> 
+<li><a class="smalllink" href="{{ pathto("user_manual/getting_started/response") }}">{%trans%}CTA response functions{%endtrans%}</a></li> 
 <li><a class="smalllink" href="{{ pathto("user_manual/index") }}">{%trans%}User Manual{%endtrans%}</a></li> 
 <li><a class="smalllink" href="{{ pathto("documentation") }}">{%trans%}ctools reference{%endtrans%}</a></li> 
 <li><a class="smalllink" href="doxygen/index.html">{%trans%}Source code documentation (Doxygen){%endtrans%}</a></li>