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:
 
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 797aa04..979f568 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,5 +2,6 @@
 #
 # SPDX-License-Identifier: Unlicense
 
-sphinx>=4.0.0
+sphinx
 sphinxcontrib-jquery
+sphinx-rtd-theme