diff --git a/webui/src/web-components/sketch-tool-card.ts b/webui/src/web-components/sketch-tool-card.ts
index 7b12eaa..cc97405 100644
--- a/webui/src/web-components/sketch-tool-card.ts
+++ b/webui/src/web-components/sketch-tool-card.ts
@@ -790,5 +790,6 @@
     "sketch-tool-card-title": SketchToolCardTitle;
     "sketch-tool-card-precommit": SketchToolCardPrecommit;
     "sketch-tool-card-multiple-choice": SketchToolCardMultipleChoice;
+    // TODO: We haven't implemented this for browser tools.
   }
 }