diff --git a/collects/typed-racket/scribblings/reference/types.scrbl b/collects/typed-racket/scribblings/reference/types.scrbl
index 9af8bfe6..46691cd1 100644
--- a/collects/typed-racket/scribblings/reference/types.scrbl
+++ b/collects/typed-racket/scribblings/reference/types.scrbl
@@ -516,6 +516,7 @@ argument.}
 @section{Other Types}
 
 @defform[(Option t)]{Either @racket[t] or @racket[#f]}
-@defform[(Opaque t)]{A type constructed using @racket[require-opaque-type].}
+@defform[(Opaque t)]{A type constructed using the @racket[#:opaque]
+clause of @racket[require/typed].}
 
 @(close-eval the-eval)