[PATCH] docs: Fix package name

[Ali Alnubani]

Fixed a typo that instructed to install tox instead
of reno.

Signed-off-by: Ali Alnubani <alialnu at mellanox.com>
---
 docs/development/contributing.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/development/contributing.rst b/docs/development/contributing.rst
index e6c0663..66c2cb9 100644
--- a/docs/development/contributing.rst
+++ b/docs/development/contributing.rst
@@ -80,7 +80,7 @@ first install it:
 
 .. code-block:: shell
 
-   $ sudo pip install tox
+   $ sudo pip install reno
 
 Once installed, a new release note can be created using the ``reno new``
 command:
-- 
2.16.2