diff --git a/README.md b/README.md
index 77f1c31d..29afb022 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ janet:1:> (+ 1 2 3)
 janet:2:> (print "Hello, World!")
 Hello, World!
 nil
-janet:3:> (os.exit)
+janet:3:> (os/exit)
 $ ./janet -h
 usage: ./janet [options] scripts...
 Options are: