diff --git a/collects/scribblings/draw/bitmap-class.scrbl b/collects/scribblings/draw/bitmap-class.scrbl
index 67fca0e4d2..2bbd8d3fc5 100644
--- a/collects/scribblings/draw/bitmap-class.scrbl
+++ b/collects/scribblings/draw/bitmap-class.scrbl
@@ -242,7 +242,7 @@ For PNG loading, if @racket[bg-color] is not @racket[#f], then it is
 }
 
 @defmethod[(make-dc)
-           boolean?]{
+           (is-a?/c bitmap-dc%)]{
 
 Return @racket[(make-object bitmap-dc% this)].}