diff --git a/doc/source/shared/abbrevs.txt b/doc/source/shared/abbrevs.txt
index f6e44b834..b6d5c55c9 100755
--- a/doc/source/shared/abbrevs.txt
+++ b/doc/source/shared/abbrevs.txt
@@ -64,6 +64,7 @@
 .. |DTLS| replace:: :abbr:`DTLS (Datagram Transport Layer Security)`
 .. |DVR| replace:: :abbr:`DVR (Distributed Virtual Router)`
 .. |DWQ| replace:: abbr:`DWQ (Dedicated Work Queue)`
+.. |ECK| replace:: abbr:`ECK (Elastic Cloud on Kubernetes)`
 .. |EMS| replace:: :abbr:`EMS (Element Management System)`
 .. |ECDSA| replace:: :abbr:`ECDSA (Elliptic Curve Digital Signature Algorithm)`
 .. |ePRTC| replace:: :abbr:`ePRTC (Enhanced Primary Reference Time Clock)`