diff --git a/doc/models/source/traffic-control.rst b/doc/models/source/traffic-control.rst
index a630480f0..4315d2aa4 100644
--- a/doc/models/source/traffic-control.rst
+++ b/doc/models/source/traffic-control.rst
@@ -12,5 +12,6 @@ Traffic Control Layer
    red
    codel
    fq-codel
+   cobalt
    pie
    mq