1 files changed, 1 insertions, 1 deletions
diff --git a/lib/public/IRequest.php b/lib/public/IRequest.php
index 11242c481f0..b36a934b0c2 100644
--- a/lib/public/IRequest.php
+++ b/lib/public/IRequest.php
@@ -145,7 +145,7 @@ interface IRequest {
 	 * Shortcut for getting cookie variables
 	 *
 	 * @param string $key the key that will be taken from the $_COOKIE array
-	 * @return string the value in the $_COOKIE element
+	 * @return string|null the value in the $_COOKIE element
 	 * @since 6.0.0
 	 */
 	public function getCookie($key);