diff --git a/tests/conftest.py b/tests/conftest.py
index 6aec1b9..11df3ba 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -25,7 +25,9 @@ def compare(value, expected):
 
         # at most one point can differ by more than tolerance
         # this happens occasionally and typically for very low values
-        # eventually we should track down and address the underlying cause
+
+        # TODO: eventually we should track down
+        # and address the underlying cause
         assert isclose.sum() - np.prod(isclose.shape) <= 1
 
     return compare