diff --git a/docs/iris/src/developers_guide/tests.rst b/docs/iris/src/developers_guide/tests.rst
index d2ac826f22..929073b569 100644
--- a/docs/iris/src/developers_guide/tests.rst
+++ b/docs/iris/src/developers_guide/tests.rst
@@ -3,6 +3,9 @@
 Testing
 *******
 
+The Iris tests may be run with ``python setup.py test`` which has a 
+command line utility included.
+
 There are three categories of tests within Iris:
  - Unit tests
  - Integration tests