diff --git a/coerce.rkt b/coerce.rkt
index 0025277..8ebe1be 100644
--- a/coerce.rkt
+++ b/coerce.rkt
@@ -1,7 +1,7 @@
 #lang racket/base
 (require racket/contract net/url xml racket/set)
 (module+ test (require rackunit))
-(require "len.rkt" "try.rkt")
+(require "len.rkt" "exception.rkt")
 
 (provide (contract-out
           [->int (any/c . -> . integer?)]
diff --git a/scribblings/sugar.scrbl b/scribblings/sugar.scrbl
index 8739cb3..b2753fc 100644
--- a/scribblings/sugar.scrbl
+++ b/scribblings/sugar.scrbl
@@ -23,9 +23,10 @@ After that, you can update the package from the command line:
 
 @section{Interface}
 
-@defmodule[sugar]
+@subsection{Container functions}
+
+@defmodule[sugar/container]
 
-Hello sugar.
 
 
 @section{License & source code}
diff --git a/string.rkt b/string.rkt
index 0e051b5..6c36193 100644
--- a/string.rkt
+++ b/string.rkt
@@ -1,6 +1,6 @@
 #lang racket/base
 (require racket/contract)
-(require "coerce.rkt" "container.rkt" "len.rkt" "try.rkt")
+(require "coerce.rkt" "container.rkt" "len.rkt" "exception.rkt")
 
 (provide starts-with? ends-with? stringish?)