diff --git a/unittests/test_variable_substitutions.py b/unittests/test_variable_substitutions.py
index a1af700a581e8234b6e03a70f15cb71a2d046d81..b8c10d85e05305bba2fb4810762cc1b7ce5fe0c4 100644
--- a/unittests/test_variable_substitutions.py
+++ b/unittests/test_variable_substitutions.py
@@ -41,6 +41,7 @@ def crawler():
 
 
 def test_substitutions(crawler):
+    # @review Florian Spreckelsen 2022-05-13
     for i in range(2):
         subd = crawler.debug_tree[dircheckstr(
             "File", "ExperimentalData", "220512_data.dat")]