diff --git a/Classes/Service/PlaintextService.php b/Classes/Service/PlaintextService.php
index 57b963cb985b63f687dc0945ce64fc4405ecc370..65bc732c4405755eddc5c94833d763a7c93a11a4 100644
--- a/Classes/Service/PlaintextService.php
+++ b/Classes/Service/PlaintextService.php
@@ -97,9 +97,9 @@ class PlaintextService {
 	 * add linebreaks on some parts (</p> => </p><br>)
 	 *
 	 * @param string $content
-	 * @return array
+	 * @return string
 	 */
-	protected function addLineBreaks($content): array {
+	protected function addLineBreaks($content): string {
 		$tags2LineBreaks = [
 			'</p>',
 			'</tr>',