diff --git a/pkgs/racket-doc/scribblings/reference/stx-ops.scrbl b/pkgs/racket-doc/scribblings/reference/stx-ops.scrbl
index ab58cddf78..9cde3b6129 100644
--- a/pkgs/racket-doc/scribblings/reference/stx-ops.scrbl
+++ b/pkgs/racket-doc/scribblings/reference/stx-ops.scrbl
@@ -384,7 +384,7 @@ For backward compatibility only; returns @racket[new-stx].}
 
 
 @defproc[(syntax-debug-info [stx syntax?]
-                            [phase (or/c exact-integer? #f)]
+                            [phase (or/c exact-integer? #f) (syntax-local-phase-level)]
                             [all-bindings? any/c #f])
          hash?]{