diff --git a/pkgs/typed-racket-pkgs/typed-racket-doc/typed-racket/scribblings/reference/legacy.scrbl b/pkgs/typed-racket-pkgs/typed-racket-doc/typed-racket/scribblings/reference/legacy.scrbl
index 5746bf2d..d85e7fa1 100644
--- a/pkgs/typed-racket-pkgs/typed-racket-doc/typed-racket/scribblings/reference/legacy.scrbl
+++ b/pkgs/typed-racket-pkgs/typed-racket-doc/typed-racket/scribblings/reference/legacy.scrbl
@@ -137,6 +137,7 @@ preferred to use of @racket[define:].
 @deftogether[(@defidform[for*/and:]
               @defidform[for*/first:]
               @defidform[for*/flvector:]
+              @defidform[for*/extflvector:]
               @defidform[for*/fold:]
               @defidform[for*/hash:]
               @defidform[for*/hasheq:]
@@ -152,6 +153,7 @@ preferred to use of @racket[define:].
               @defidform[for/and:]
               @defidform[for/first:]
               @defidform[for/flvector:]
+              @defidform[for/extflvector:]
               @defidform[for/fold:]
               @defidform[for/hash:]
               @defidform[for/hasheq:]