diff --git a/collects/web-server/scribblings/dispatch.scrbl b/collects/web-server/scribblings/dispatch.scrbl
index fa8cb7cb9b..35693a281c 100644
--- a/collects/web-server/scribblings/dispatch.scrbl
+++ b/collects/web-server/scribblings/dispatch.scrbl
@@ -162,7 +162,7 @@ After mastering the world of blogging software, you decide to put the ubiquitous
 
 @defproc[(serve/dispatch [dispatch (request? . -> . response/c)])
          void]{
- Calls @racket[serve/servlet] with appropriate arguments so that every request is handled by @racket[dispatch].
+ Calls @racket[serve/servlet] with a @racket[#:servlet-regexp] argument (@racket[#rx""]) so that every request is handled by @racket[dispatch].
 }
               
 @section{Built-in URL patterns}