diff --git a/_includes/sections/email-clients.html b/_includes/sections/email-clients.html
index 06fe6e32..372e66ae 100644
--- a/_includes/sections/email-clients.html
+++ b/_includes/sections/email-clients.html
@@ -60,7 +60,7 @@
 {% include cardv2.html
   title="Letterbox"
   image="/assets/img/svg/3rd-party/letterbox.svg"
-  description=""
+  description="Letterbox is a free open-source mail client on iOS and part of an ongoing research project at the Freie Universität Berlin, Germany."
   website="https://letterbox-app.org/"
   privacy-policy="https://letterbox-app.org/privacy.html"
   forum="https://forum.privacytools.io/t/"