diff --git a/project/frontend/src/routes/extractedResult_.$pitchBook.$kpi.tsx b/project/frontend/src/routes/extractedResult_.$pitchBook.$kpi.tsx
index 5e42c9f..f388bbc 100644
--- a/project/frontend/src/routes/extractedResult_.$pitchBook.$kpi.tsx
+++ b/project/frontend/src/routes/extractedResult_.$pitchBook.$kpi.tsx
@@ -72,6 +72,7 @@ function ExtractedResultsPage() {
 	const originalValue = kpiValues[0]?.entity || "";
 	const originalPage = kpiValues[0]?.page || 0;
 
+	// Funktion, um gleiche Werte zusammenzufassen und die Seiten zu sammeln
 	function groupKpiValues(values: Array<{ entity: string; page: number; [key: string]: any }>): Array<{ entity: string; pages: number[]; [key: string]: any }> {
 		const map = new Map<string, { entity: string; pages: number[]; [key: string]: any }>();
 		values.forEach((item: { entity: string; page: number; [key: string]: any }) => {
@@ -98,6 +99,7 @@ function ExtractedResultsPage() {
 			? (parseInt(customPage) > 0 ? parseInt(customPage) : 1)
 			: groupedKpiValues[selectedIndex]?.pages[0] || 1;
 
+	// Um zu prüfen, ob der Wert nur aus Leerzeichen besteht
 	const isSelectedValueEmpty = selectedIndex === -1 ? customValue.trim() === "" : !selectedValue;
 
 	useEffect(() => {
@@ -111,6 +113,7 @@ function ExtractedResultsPage() {
 			const updatedData = { ...kpiData };
 			let baseObject;
 			if (selectedIndex >= 0) {
+				// Das Originalobjekt mit allen Feldern für diesen Wert suchen
 				const original = kpiValues.find(v => v.entity.toLowerCase() === groupedKpiValues[selectedIndex].entity.toLowerCase()) as { status?: string; source?: string } | undefined;
 				baseObject = {
 					label: kpi.toUpperCase(),
@@ -177,6 +180,7 @@ function ExtractedResultsPage() {
 		event: React.ChangeEvent<HTMLInputElement>,
 	) => {
 		const value = event.target.value;
+		// Allow empty string or positive numbers only (no 0)
 		if (value === '' || (/^\d+$/.test(value) && parseInt(value) > 0)) {
 			setCustomPage(value);
 		}