knative-service: document trait
@@ -98,9 +98,18 @@ The following is a list of common traits that can be configured by the end users
[cols="m,"]
!===
-! knative.sources
+! knative.channel-sources
! Configures a (comma-separated) list of channels to which the Knative service must be subscribed (to receive cloudevents from a channel).
+! knative.channel-sinks
+! Configures a (comma-separated) list of channels to which the Knative service publishes.
+
+! knative.endpoint-sources
+! Configures a (comma-separated) list of endpoints the Knative service exposes (the name is).
+
+! knative.endpoint-sinks
+! Configures a (comma-separated) list of endpoints the Knative consumes.
+
!===
| istio
