fixup typo in test docs

HolgerPeters · HolgerPeters · commit e22f1b0a74fb · 2015-03-24T16:30:32.000+01:00
diff --git a/doc/devel/testing.rst b/doc/devel/testing.rst
@@ -67,7 +67,7 @@ To run a single test from the command line, you can provide a
 dot-separated path to the module followed by the function separated by
 a colon, e.g., (this is assuming the test is installed)::
 
-  python setup.py tests --tests=matplotlib.tests.test_simplification:test_clipping
+  python setup.py test --tests=matplotlib.tests.test_simplification:test_clipping
 
 If you want to run the full test suite, but want to save wall time try
 running the tests in parallel::
