diff --git a/README.md b/README.md
index 68d7dbe..b0db618 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 Rust + GTK interactive pixel screen ruler with protractor mode.
 
 ```shell
-cargo install rlr
+cargo install rlr-gtk
 ```
 
 ## Demo