diff --git a/docs/apiref-intro b/docs/apiref-intro
index 7c819c937..bd7140c5a 100644
--- a/docs/apiref-intro
+++ b/docs/apiref-intro
@@ -18,6 +18,7 @@ Lwt_pool
 Lwt_stream
 Lwt_switch
 Lwt_sequence
+Lwt_seq
 Lwt_pqueue
 }