diff --git a/system/Common.php b/system/Common.php
index 9ad7fe5b842b..2d876564846e 100644
--- a/system/Common.php
+++ b/system/Common.php
@@ -755,7 +755,7 @@ function is_windows(?bool $mock = null): bool
      * A convenience method to translate a string or array of them and format
      * the result with the intl extension's MessageFormatter.
      *
-     * @return string
+     * @return list<string>|string
      */
     function lang(string $line, array $args = [], ?string $locale = null)
     {
diff --git a/system/Language/Language.php b/system/Language/Language.php
index 32eee39f2a13..8633f8a2dd9c 100644
--- a/system/Language/Language.php
+++ b/system/Language/Language.php
@@ -88,7 +88,7 @@ public function getLocale(): string
      * Parses the language string for a file, loads the file, if necessary,
      * getting the line.
      *
-     * @return string|string[]
+     * @return list<string>|string
      */
     public function getLine(string $line, array $args = [])
     {