diff --git a/discord_twitter_webhooks/main.py b/discord_twitter_webhooks/main.py
index b7d1c7a..8f35d66 100644
--- a/discord_twitter_webhooks/main.py
+++ b/discord_twitter_webhooks/main.py
@@ -344,6 +344,7 @@ async def settings_post(
         nitter_instance: The Nitter instance to use.
         deepl_auth_key: The DeepL auth key to use.
     """
+    # TODO: Run reader.change_feed_url() on all feeds if the Nitter instance has changed.
     app_settings = ApplicationSettings(
         nitter_instance=nitter_instance,
         deepl_auth_key=deepl_auth_key,