diff --git a/tests/unit/common/test_resources.py b/tests/unit/common/test_resources.py
index 627db3ee0..8cbd8291e 100644
--- a/tests/unit/common/test_resources.py
+++ b/tests/unit/common/test_resources.py
@@ -268,7 +268,7 @@ def test_add_ref_search_for_file_error(self):
                        entity_id='entity_id1',
                        entity_uri='entity1')
 
-    # TODO: Add this once you've created a HDMF_file to rework testing                       
+    # TODO: Add this once you've created a HDMF_file to rework testing
     # def test_add_ref_file_mismatch(self):
     #     file = HERDManagerContainer(name='file')
     #     file2 = HERDManagerContainer()