diff --git a/test/test_kernels.py b/test/test_kernels.py
index 465ce178443dd321c4860bc5ec153aa492e2e9db..b7f220686b9764b62237e2f21478a4cc89da476a 100644
--- a/test/test_kernels.py
+++ b/test/test_kernels.py
@@ -110,6 +110,7 @@ def test_p2p(ctx_getter):
     False,
     True
     ])
+# Sample: test_p2e2p(cl._csc, LaplaceKernel(2), VolumeTaylorLocalExpansion, 4, False)
 def test_p2e2p(ctx_getter, base_knl, expn_class, order, with_source_derivative):
     #logging.basicConfig(level=logging.INFO)