diff --git a/tractor/_testing/__init__.py b/tractor/_testing/__init__.py
index 88860d13..bb964ed3 100644
--- a/tractor/_testing/__init__.py
+++ b/tractor/_testing/__init__.py
@@ -37,6 +37,9 @@ from .fault_simulation import (
 )
 
 
+# TODO, use dulwhich for this instead?
+# -> we're going to likely need it (or something similar)
+#   for supporting hot-coad reload feats eventually anyway!
 def repodir() -> pathlib.Path:
     '''
     Return the abspath to the repo directory.