Fix function comment in NodaTimeSplitter

src/NodaTimeAutotranslater.php

@@ -754,7 +754,7 @@ final class NodaTimeAutotranslater {
      */
     public static function getTranslations(array $timeInfo):array {
 
-        if (!empty($timespanDates = NodaTimeSplitter::attempt_splitting_from_till($timeInfo['zeit_name']))) {
+        if (!empty($timespanDates = NodaTimeSplitter::attempt_splitting_from_till((string)$timeInfo['zeit_name']))) {
 
             $output = [];