diff --git a/ops/charm.py b/ops/charm.py
index 46ee2db6b..42c94b292 100644
--- a/ops/charm.py
+++ b/ops/charm.py
@@ -1104,7 +1104,9 @@ class CollectStatusEvent(LifecycleEvent):
 
     The framework will trigger these events after the hook code runs
     successfully (``collect_app_status`` will only be triggered on the leader
-    unit). If any statuses were added by the event handler using
+    unit). This happens on every Juju event, whether it was
+    :meth:`observed <ops.Framework.observe>` or not.
+    If any statuses were added by the event handler using
     :meth:`add_status`, the framework will choose the highest-priority status
     and set that as the status (application status for ``collect_app_status``,
     or unit status for ``collect_unit_status``).