chore: Add references to phpdoc deprecation notice for IL10N

Co-authored-by: Joas Schilling <213943+nickvergessen@users.noreply.github.com>
Signed-off-by: Côme Chilliet <91878298+come-nc@users.noreply.github.com>

lib/private/Server.php

@@ -1724,7 +1724,7 @@ public function getL10NFactory() {
 	 * @param string $app appid
 	 * @param string $lang
 	 * @return IL10N
-	 * @deprecated 20.0.0 use DI of IL10N instead, or \OCP\Util::getL10N as a last resort
+	 * @deprecated 20.0.0 use DI of {@see IL10N} or {@see IFactory} instead, or {@see \OCP\Util::getL10N()} as a last resort
 	 */
 	public function getL10N($app, $lang = null) {
 		return $this->get(IFactory::class)->get($app, $lang);