Update index.rst

choldgraf · web-flow · commit 0984e74ace70 · 2020-05-27T09:28:36.000-07:00
diff --git a/doc/index.rst b/doc/index.rst
@@ -54,6 +54,10 @@ Try copy-pasting the code block below.
 Installation
 ============
 
+.. note::
+
+   ``sphinx-copybutton`` only works on Python >= 3.4
+
 You can install ``sphinx-copybutton`` with ``pip``:
 
 .. code-block:: bash
