fix readme circup instruction

FoamyGuy · FoamyGuy · commit 2db32040a36b · 2024-02-26T11:04:27.000-06:00
diff --git a/README.rst b/README.rst
@@ -79,7 +79,7 @@ following command to install:
 
 .. code-block:: shell
 
-    circup install radial_controller
+    circup install adafruit_radial_controller
 
 Or the following command to update an existing version:
 
