diff --git a/racket/typed/scribblings/typed-syndicate.scrbl b/racket/typed/scribblings/typed-syndicate.scrbl
index 03aa9b8..5fdb2e5 100644
--- a/racket/typed/scribblings/typed-syndicate.scrbl
+++ b/racket/typed/scribblings/typed-syndicate.scrbl
@@ -364,7 +364,9 @@ Like @racket[during], but spawns an actor for the behavior @racket[expr ...].
                         (code:line #:on-add on-add-expr))
           (maybe-on-remove (code:line)
                            (code:line #:on-remove on-remove-expr))]]{
-Equivalent to the untyped @racket[untyped:define/query-value].
+Equivalent to the untyped @racket[untyped:define/query-value]. The
+@racket[on-add-expr] and @racket[on-remove-expr], when given, execute after
+@racket[name] has been updated.
 }
 
 @defform[(define/query-set name pattern expr