diff --git a/services/frontend/src/components/HighlightedDocument.tsx b/services/frontend/src/components/HighlightedDocument.tsx
index f47e5b8..39873d1 100644
--- a/services/frontend/src/components/HighlightedDocument.tsx
+++ b/services/frontend/src/components/HighlightedDocument.tsx
@@ -65,7 +65,7 @@ function buildSegments(text: string, ranges: HighlightRange[]): Segment[] {
 }
 
 export function HighlightedDocument({ taskId, matches, recommendations }: HighlightedDocumentProps) {
-  const [open, setOpen] = useState(false);
+  const [open, setOpen] = useState(true);
 
   const { data: text, isLoading, isError } = useQuery({
     queryKey: ['task-text', taskId],
@@ -128,6 +128,11 @@ export function HighlightedDocument({ taskId, matches, recommendations }: Highli
                   <span className="w-3 h-3 rounded-sm bg-teal-100 inline-block" /> похоже по теме
                 </span>
               </div>
+              {ranges.length === 0 && (
+                <p className="text-xs text-gray-400 mb-3">
+                  В этой проверке подсвечивать нечего — совпадений и похожих по теме источников не найдено.
+                </p>
+              )}
               <div className="text-sm leading-relaxed text-gray-800 whitespace-pre-wrap max-h-[600px] overflow-y-auto pr-1">
                 {segments.map((seg, i) =>
                   seg.kind ? (