diff --git a/stubs/assertpy/@tests/stubtest_allowlist.txt b/stubs/assertpy/@tests/stubtest_allowlist.txt
index 2de67f358..57fe5e2ee 100644
--- a/stubs/assertpy/@tests/stubtest_allowlist.txt
+++ b/stubs/assertpy/@tests/stubtest_allowlist.txt
@@ -1,3 +1,4 @@
+# Python 2 compatibility cruft:
 assertpy.collection.Iterable
 assertpy.contains.str_types
 assertpy.contains.xrange