diff --git a/docs/scenarios/cli.rst b/docs/scenarios/cli.rst
index bc952c7..2416125 100644
--- a/docs/scenarios/cli.rst
+++ b/docs/scenarios/cli.rst
@@ -7,3 +7,8 @@ Clint
 -----
 
 .. todo:: Write about Clint
+
+docopt
+------
+
+`docopt <http://docopt.org/>`_ is a lightweight, highly Pythonic package that allows creating command line interfaces easily and intuitively, by parsing POSIX-style usage instructions.