diff --git a/hyphenate/hyphenate/scribblings/hyphenate.scrbl b/hyphenate/hyphenate/scribblings/hyphenate.scrbl
index 23d36a74..528bc1f9 100644
--- a/hyphenate/hyphenate/scribblings/hyphenate.scrbl
+++ b/hyphenate/hyphenate/scribblings/hyphenate.scrbl
@@ -17,7 +17,7 @@ A simple hyphenation engine that uses the Knuth–Liang hyphenation algorithm or
 
 I originally put together this module to handle hyphenation for my web-based book @link["http://practicaltypography.com"]{Butterick's Practical Typography} (which I made with Racket & Scribble). Though support for CSS-based hyphenation in web browsers is @link["http://caniuse.com/#search=hyphen"]{still iffy}, soft hyphens work reliably well. But putting them into the text manually is a drag. Thus a module was born.
 
-I thank Benjamin Greenman for his suggestions on the typed version. 
+I thank Benjamin Greenman and Alexander Knauth for helpful suggestions on the typed version. 
 
 @section{Installation}
 
@@ -37,6 +37,8 @@ Safe mode enables the function contracts documented below. Use safe mode by impo
 
 The typed version is invoked as @code{(require typed/hyphenate)}. The typed version is implemented ``natively'' in the sense that it is compiled separately with type annotations. It is not a @racket[require/typed] wrapper around the untyped code. This avoids the contract barrier that is otherwise automatically imposed between typed and untyped code.
 
+@margin-note{I explain more about this cross-compiling technique in @link["http://unitscale.com/mb/technique/dual-typed-untyped-library.html"]{Making a dual typed / untyped Racket library}.}
+
 
 @section{Interface}