fixed: lenghty message in help command

dvc/command/data_sync.py

@@ -116,7 +116,8 @@ def shared_parent_parser():
         "targets",
         nargs="*",
         default=None,
-        help="Limit the scope to these DVC-files. With -R a directory to search DVC-files in can be specified.",
+        help="""Limit the scope to these DVC-files. 
+        With -R a directory to search DVC-files can be specified.""",
     )
 
     return shared_parent_parser