diff --git a/racket/src/README.txt b/racket/src/README.txt
index 967b5a9275..1c944d7bed 100644
--- a/racket/src/README.txt
+++ b/racket/src/README.txt
@@ -54,7 +54,7 @@ Racket BC
 
 To build Racket BC on Unix variants or Mac OS:
 
- * ... in addition Racket CS: supply `--enable-cs --enable-bc` to
+ * ... in addition to Racket CS: supply `--enable-cs --enable-bc` to
    `configure`.
 
    The generated Racket BC executables will have a "bc" suffix. A