diff --git a/tools/ui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActionAdd/ChatFormActionAddSheet.svelte b/tools/ui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActionAdd/ChatFormActionAddSheet.svelte
index 762cc1386f..c78b42ea88 100644
--- a/tools/ui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActionAdd/ChatFormActionAddSheet.svelte
+++ b/tools/ui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActionAdd/ChatFormActionAddSheet.svelte
@@ -252,7 +252,7 @@
 {#snippet sheetGroupRow(group: ToolGroup)}
 	{@const checked = toolsPanel.isGroupChecked(group)}
 	{@const enabledCount = toolsPanel.getEnabledToolCount(group)}
-	// parent on but nothing under it enabled, or partially enabled: show mixed state
+	<!-- mixed state: parent on but nothing or only part of it enabled -->
 	{@const indeterminate =
 		group.tools.length > 0 && (enabledCount === 0 ? checked : enabledCount < group.tools.length)}
 	{@const favicon = toolsPanel.getFavicon(group)}