1diff --git a/README.rst b/README.rst
2index 99fd6ad4642fedd779fcc2c849cf11a54b74cb69..b8491256c0d47dfe993a758ba6508c2b488d9215 100644
3--- a/README.rst
4+++ b/README.rst
5@@ -45,6 +45,8 @@ projects (or equivalent file for the Version Control you are using).
6 Installing
7 ----------
8 9+``autoswitch-virtualenv`` requires `virtualenv <https://pypi.org/project/virtualenv/>`__ to be installed.
10+
11 Add one of the following lines to your ``.zshrc`` file depending on the
12 package manager you are using:
13