--- a/Sphinx/source/faq/improving-interface.rst	Mon Jun 28 07:48:48 2021 +0200
+++ b/Sphinx/source/faq/improving-interface.rst	Mon Jun 28 12:06:42 2021 +0200
@@ -28,8 +28,10 @@
 language translations, sorting resources, access control lists,
 tagging images, beautiful layout, tunable anonymization, modification
 of instances, paging if many patients, handling of timeouts,
-login/logout, Web diffusion to patients/physicians...). If you need
-such a more advanced `user experience
+login/logout, Web diffusion to patients/physicians, `calendar to chose
+dates
+<https://groups.google.com/g/orthanc-users/c/LftvnfB2bY0/m/YUB-OPZyAgAJ>`__...). If
+you need such a more advanced `user experience
 <https://en.wikipedia.org/wiki/User_experience>`__ so that Orthanc
 better fits your clinical workflow, you will have to develop a
 separate, custom Web interface on the top of the :ref:`rest`, maybe as