fix @SInCE xxx

git-svn-id: https://josm.openstreetmap.de/svn/trunk@19551 0c6e7542-c601-0410-84e7-c038aed88b3b

Author: gaben

src/org/openstreetmap/josm/actions/downloadtasks/DownloadTask.java

@@ -157,7 +157,7 @@ default List<String> getErrorMessages() {
      * If this task provides potentially old data, this should return {@code true}. If so, it would be a good decision
      * to prompt users to verify if they want the data to be downloaded to the current layer.
      * @return {@code true} if the data could be old.
-     * @since xxx
+     * @since 19550
      */
     default boolean providesOldData() {
         return false;