diff --git a/pkgs/racket-doc/scribblings/reference/read.scrbl b/pkgs/racket-doc/scribblings/reference/read.scrbl
index 5ea63822b6..2cbf3e3302 100644
--- a/pkgs/racket-doc/scribblings/reference/read.scrbl
+++ b/pkgs/racket-doc/scribblings/reference/read.scrbl
@@ -15,7 +15,7 @@ parameters.
 See @secref["reader"] for information on the default reader and
 @secref["parse-reader"] for the protocol of @racket[read].}
 
-@defproc[(read-syntax [source-name any/c (object-name in)]
+@defproc[(read-syntax [source-name any/c (object-name (current-input-port))]
                       [in input-port? (current-input-port)])
          (or/c syntax? eof-object?)]{