diff --git a/collects/scribble/render.rkt b/collects/scribble/render.rkt
index 14310102..1f8a139f 100644
--- a/collects/scribble/render.rkt
+++ b/collects/scribble/render.rkt
@@ -21,7 +21,7 @@
            #:redirect (or/c #f string?)
            #:redirect-main (or/c #f string?)
            #:xrefs (listof xref?)
-           #:info-in-files (listof path?)
+           #:info-in-files (listof path-string?)
            #:info-out-file (or/c #f path-string?)
            #:quiet? any/c)
           . ->* . void?)])
diff --git a/collects/scribblings/scribble/renderer.scrbl b/collects/scribblings/scribble/renderer.scrbl
index 56dfb2d1..23a45d2a 100644
--- a/collects/scribblings/scribble/renderer.scrbl
+++ b/collects/scribblings/scribble/renderer.scrbl
@@ -48,7 +48,7 @@ function to render a document.
                  [#:style-extra-files style-extra-files (listof path-string?) #f]
                  [#:extra-files extra-files (listof path-string?) #f]
                  [#:xrefs xrefs (listof xref?) null]
-                 [#:info-in-files info-in-files (listof path?) null]
+                 [#:info-in-files info-in-files (listof path-string?) null]
                  [#:info-out-file info-out-file (or/c #f path-string?) #f]
                  [#:redirect redirect (or/c #f string?) #f]
                  [#:redirect-main redirect-main (or/c #f string?) #f]