diff --git a/docs/_docs/contributing.md b/docs/_docs/contributing.md
index 96a3bdb..4aa39d0 100644
--- a/docs/_docs/contributing.md
+++ b/docs/_docs/contributing.md
@@ -158,7 +158,7 @@ Prophet uses the ``unittest`` package for running tests in Python and ``testthat
 
 The entire test suite can be run by typing:
 ```bash
-$ python setup.py tests
+$ python setup.py test
 ```
 
 ### R