diff --git a/esphome/components/api/api_server.cpp b/esphome/components/api/api_server.cpp
index 9453a14eb3..18601d74ff 100644
--- a/esphome/components/api/api_server.cpp
+++ b/esphome/components/api/api_server.cpp
@@ -348,7 +348,8 @@ API_DISPATCH_UPDATE(media_player::MediaPlayer, media_player)
 #endif
 
 #ifdef USE_EVENT
-// Event is a special case - it reads event_type from obj->get_last_event_type()
+// Event is a special case - unlike other entities with simple state fields,
+// events store their state in a member accessed via obj->get_last_event_type()
 void APIServer::on_event(event::Event *obj) {
   if (obj->is_internal())
     return;