diff --git a/TODO.txt b/TODO.txt
index 8ec7616..c9afa69 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -1,3 +1,4 @@
 - Handle filenames and destinations with spaces in them
+- Make serial number processing consistent across BSD and Linux
 - Make serial number postfix consistent across dirs and files
 - Option to disable serial numbers