diff --git a/src/labthings/td.py b/src/labthings/td.py
index 28bb7208..dc49249d 100644
--- a/src/labthings/td.py
+++ b/src/labthings/td.py
@@ -12,6 +12,8 @@
 
 from .utilities import get_docstring, snake_to_camel
 
+# TODO: Remove reliance on get_apispec() methods
+
 
 def view_to_thing_action_forms(rules: list, view: View):
     """Build a W3C form description for an ActionView
diff --git a/src/labthings/view/__init__.py b/src/labthings/view/__init__.py
index a07e9e03..665d6429 100644
--- a/src/labthings/view/__init__.py
+++ b/src/labthings/view/__init__.py
@@ -115,6 +115,8 @@ def represent_response(self, response):
 
 
 class ActionView(View):
+    # TODO: Better support for overriding content type
+    # TODO: Better support for custom 200 responses
 
     # Data formatting
     schema: Schema = None