diff --git a/src/shell.py b/src/shell.py
index <HASH>..<HASH> 100644
--- a/src/shell.py
+++ b/src/shell.py
@@ -6,3 +6,5 @@ if sys.hexversion >= 0x030300F0:
 else:
     from pipes import quote
 
+# TODO: Provide a way for split() to note that shell characters (like | or &&)
+# shouldn't be quoted by quote().
Add a comment about an issue with shell.split()