diff --git a/README.rst b/README.rst
index b9d90f9..c64c8d3 100644
--- a/README.rst
+++ b/README.rst
@@ -83,7 +83,7 @@ following command to install:
 
 .. code-block:: shell
 
-    circup install pcf8575
+    circup install adafruit-circuitpython-pcf8575
 
 Or the following command to update an existing version: