diff --git a/README.md b/README.md
index f873402..de5b359 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ## Usage
 
-    go run ./cmd/koushin
+    go run ./cmd/koushin imaps://mail.example.org:993
 
 ## License