diff --git a/doc/efun/lwobjectp b/doc/efun/lwobjectp
index f6b4b33..a2f4260 100644
--- a/doc/efun/lwobjectp
+++ b/doc/efun/lwobjectp
@@ -5,6 +5,6 @@
         Return 1 if arg is a lightweight object.
 
 SEE ALSO
-        bytesp(E), clonep(E), closurep(E), floatp(E), intp(E), mappingp(E),
-        objectp(E), pointerp(E), referencep(E), stringp(E), structp(E),
-        symbolp(E)
+        bytesp(E), clonep(E), closurep(E), coroutinep(E), floatp(E), intp(E),
+        lpctypep(E), mappingp(E), objectp(E), pointerp(E), referencep(E),
+        stringp(E), structp(E), symbolp(E)