diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 841a02f72e6..4e1e5fbdfe1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -221,7 +221,7 @@ $ ./build.sh dask_cudf
 - To run Python tests (Optional):
 ```bash
 $ cd $CUDF_HOME/python
-$ py.test -v cudf                           # run cudf test suite
+$ py.test -v cudf/cudf/tests                # run cudf test suite
 $ py.test -v dask_cudf                      # run dask_cudf test suite
 ```