diff --git a/README.md b/README.md
index e3d9079..aee5288 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ across the Racket code base. If you use Emacs with Racket Mode or
 DrRacket, you should be fine with default settings.
 
 When adding new code, please consider updating the Scribble
-documentation `manual.scrbl` accordingly.  I believe that good
+documentation `typed-compose.scrbl` accordingly.  I believe that good
 documentation is more important than good code, because with good docs
 you can at least know how to fix the whole thing.