From d05f138ed2f1e1d3c3175391a337ab4651e57b0f Mon Sep 17 00:00:00 2001
From: Vincent St-Amour <stamourv@racket-lang.org>
Date: Tue, 16 Aug 2011 12:02:20 -0400
Subject: [PATCH] Add precision to sequence-fold's doc.

---
 collects/scribblings/reference/sequences.scrbl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/collects/scribblings/reference/sequences.scrbl b/collects/scribblings/reference/sequences.scrbl
index 1a8899ad57..8b90c7e694 100644
--- a/collects/scribblings/reference/sequences.scrbl
+++ b/collects/scribblings/reference/sequences.scrbl
@@ -516,7 +516,8 @@ in the sequence.
          (void)]{
   Folds @racket[f] over each element of @racket[s] with @racket[i] as
   the initial accumulator.  If @racket[s] is infinite, this function
-  does not terminate.}
+  does not terminate. @racket[f] takes the accumulator as its first argument
+  and the next sequence element as its second.}
 
 @defproc[(sequence-count [f procedure?] [s sequence?])
          exact-nonnegative-integer?]{