Update PHPDoc to reflect the actual behaviour

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

diff --git a/apps/dav/lib/CardDAV/CardDavBackend.php b/apps/dav/lib/CardDAV/CardDavBackend.php
index 8ef0e0baf567e80b71289e78971e49fe44d997eb..80a3fe2f11f9c17e3e812baa27e12e16aa598583 100644 (file)
--- a/apps/dav/lib/CardDAV/CardDavBackend.php
+++ b/apps/dav/lib/CardDAV/CardDavBackend.php
@@ -1134,8 +1134,8 @@ class CardDavBackend implements BackendInterface, SyncSupport {
         * Extract UID from vcard
         *
         * @param string $cardData the vcard raw data
-        * @return string the uid or empty if none
-        * @throws BadRequest
+        * @return string the uid
+        * @throws BadRequest if no UID is available
         */
        private function getUID($cardData) {
                $vCard = Reader::read($cardData);