fix circup instruction

FoamyGuy · FoamyGuy · commit 9afe2b69a56e · 2024-02-26T10:52:14.000-06:00
diff --git a/README.rst b/README.rst
@@ -80,7 +80,7 @@ following command to install:
 
 .. code-block:: shell
 
-    circup install ble-beacon
+    circup install adafruit_ble_beacon
 
 Or the following command to update an existing version:
 
