diff --git a/scribblings/mb-tools.rkt b/scribblings/mb-tools.rkt
index ac5f892..ce673eb 100644
--- a/scribblings/mb-tools.rkt
+++ b/scribblings/mb-tools.rkt
@@ -5,6 +5,8 @@
 
 (define-runtime-path mb-css "mb.css")
 
+(define (link-tt url) (link url (tt url)))
+
 (define (racketfont* . args)
   (element 'tt args))
 
diff --git a/scribblings/quick.scrbl b/scribblings/quick.scrbl
index 01746ca..4838bf8 100644
--- a/scribblings/quick.scrbl
+++ b/scribblings/quick.scrbl
@@ -4,8 +4,6 @@
 
 @title[#:tag "quick-tour"]{Quick tour}
 
-@(define (link-tt url) (link url (tt url)))
-
 
 @section{Creating a source file}