diff --git a/tagstudio/src/core/query_lang/ast.py b/tagstudio/src/core/query_lang/ast.py
index d402b65f..0f36fa0b 100644
--- a/tagstudio/src/core/query_lang/ast.py
+++ b/tagstudio/src/core/query_lang/ast.py
@@ -2,7 +2,7 @@ from enum import Enum
 from typing import Union
 
 
-class ConstraintType(Enum):
+class ConstraintType(Enum):  # TODO add remaining ones
     Tag = 0
     MediaType = 1