diff --git a/collects/handin-server/scribblings/checker.scrbl b/collects/handin-server/scribblings/checker.scrbl
index b455d22c29..2d28eff46b 100644
--- a/collects/handin-server/scribblings/checker.scrbl
+++ b/collects/handin-server/scribblings/checker.scrbl
@@ -65,13 +65,16 @@ Keywords for configuring @scheme[check:]:
   evaluating submissions, same as the @scheme[_language] argument for
   @scheme[make-evaluator] (see @schememodname[handin-server/sandbox]).
   There is no default for this, so it must be set or an error is
-  raised.}
+  raised.  (See @scheme[call-with-evaluator/submission] for further
+  details.)}
 
 @item{@indexed-scheme[:requires]---paths for additional libraries to
   require for evaluating the submission, same as the
   @scheme[_requires] argument for @scheme[make-evaluator] (see
   @schememodname[handin-server/sandbox]).  This defaults to null---no
-  teachpacks.}
+  teachpacks.  Note: if a module language is used (See
+  @scheme[call-with-evaluator/submission] for further details), it is
+  passed as the @scheme[_allow-read] argument.}
 
 @item{@indexed-scheme[:teachpacks]---an alternative name for
   @scheme[:requires], kept for legacy checkers.}
diff --git a/collects/handin-server/scribblings/utils.scrbl b/collects/handin-server/scribblings/utils.scrbl
index bbdcecb5c7..f4114eae0b 100644
--- a/collects/handin-server/scribblings/utils.scrbl
+++ b/collects/handin-server/scribblings/utils.scrbl
@@ -36,7 +36,10 @@
   list that begins with @scheme['module].  In this case,
   @scheme[make-module-language] is used to create an evaluator, and
   the module code must be using the the specified language in its
-  language position.}
+  language position.  In this case, the @scheme[requires-paths]
+  argument is used only for paths that are allowed to be accessed (the
+  @scheme[_allow-read] argument to @scheme[make-evaluator], since the
+  submission is expected to be a complete submission.)}
 
 @defproc[(call-with-evaluator
           [language (or/c module-path?
@@ -58,11 +61,11 @@
   submission error.  See @scheme[make-evaluator/submission] for
   further details.}
 
-@defproc[(call-with-evaluator/submission [language
-          (or/c module-path?
-                (list/c (one-of/c 'special) symbol?)
-                (list/c (one-of/c 'module) module-path?)
-                (cons/c (one-of/c 'begin) list?))]
+@defproc[(call-with-evaluator/submission
+          [language (or/c module-path?
+                          (list/c (one-of/c 'special) symbol?)
+                          (list/c (one-of/c 'module) module-path?)
+                          (cons/c (one-of/c 'begin) list?))]
           [require-paths (listof path-string?)]
           [submission bytes?]
           [proc (any/c . -> . any)])