diff --git a/TODO b/TODO
index e5045903..e4e93e66 100644
--- a/TODO
+++ b/TODO
@@ -91,3 +91,7 @@ Future work:
 	- Investigate "Bulk insert" callbacks for performance
 	- Initialize PQs with multiple flags
 	- Use "friend" class for valid and id flags of a DatabaseEntry
+	- New tag layer
+		- Functions to tag individual files
+		- Functions to read multiple tags from a single text file when
+		  CONFIG_TEST == true