diff --git a/includes/abbreviations.en.txt b/includes/abbreviations.en.txt
index 5293d763..0bbd3c2e 100644
--- a/includes/abbreviations.en.txt
+++ b/includes/abbreviations.en.txt
@@ -103,3 +103,4 @@
 *[XMPP]: Extensible Messaging and Presence Protocol
 *[PWA]: Progressive Web App
 *[PWAs]: Progressive Web Apps
+*[WKD]: Web Key Directory