diff --git a/include/asterisk/stasis.h b/include/asterisk/stasis.h
index 8329dd0924677d38e125314c11cc8ed21c752b3f..2b56b53f81283514d91cd0615b5ec737735f5c7d 100644
--- a/include/asterisk/stasis.h
+++ b/include/asterisk/stasis.h
@@ -477,6 +477,11 @@ struct stasis_topic;
  * \return New topic instance.
  * \return \c NULL on error.
  * \since 12
+ *
+ * \note There is no explicit ability to unsubscribe all subscribers
+ * from a topic and destroy it. As a result the topic can persist until
+ * the last subscriber unsubscribes itself even if there is no
+ * publisher.
  */
 struct stasis_topic *stasis_topic_create(const char *name);