diff --git a/pkgs/racket-pkgs/racket-doc/scribblings/raco/setup.scrbl b/pkgs/racket-pkgs/racket-doc/scribblings/raco/setup.scrbl
index d351177f31..24d31b1726 100644
--- a/pkgs/racket-pkgs/racket-doc/scribblings/raco/setup.scrbl
+++ b/pkgs/racket-pkgs/racket-doc/scribblings/raco/setup.scrbl
@@ -1513,8 +1513,9 @@ back to a path relative to @racket[(find-collects-dir)].}
   is an absolute one that is inside the @filepath{collects} tree, the
   result is a string that begins with @racket["<collects>/"].
   Similarly, a path in the user-specific collects results in a prefix of
-  @racket["<user-collects>/"], and a @PLaneT path results in
-  @racket["<planet>/"].
+  @racket["<user-collects>/"], a @PLaneT path results in
+  @racket["<planet>/"], and a path into documentation results in
+  @racket["<doc>/"] or @racket["<user-doc>/"].
 
   If @racket[cache] is not @racket[#f], it is used as a cache argument
   for @racket[pkg->path] to speed up detection and conversion of
diff --git a/racket/collects/setup/path-to-relative.rkt b/racket/collects/setup/path-to-relative.rkt
index a70c613d71..605653520b 100644
--- a/racket/collects/setup/path-to-relative.rkt
+++ b/racket/collects/setup/path-to-relative.rkt
@@ -53,7 +53,9 @@
       (make-path->relative-string
        (list (cons find-collects-dir      "<collects>/")
              (cons find-user-collects-dir "<user>/")
-             (cons find-planet-dir        "<planet>/"))))
+             (cons find-planet-dir        "<planet>/")
+             (cons find-doc-dir           "<doc>/")
+             (cons find-user-doc-dir      "<user-doc>/"))))
     (define (make-default cache default)
       (lambda (x)        
         (define-values (pkg sub) (if (complete-path? x)