pull: target message (#4192)

* pull: target message

* update fetch/status/etc help

Co-authored-by: Ruslan Kuprieiev <[email protected]>

dvc/command/checkout.py

@@ -112,7 +112,9 @@ def add_parser(subparsers, parent_parser):
     checkout_parser.add_argument(
         "targets",
         nargs="*",
-        help="DVC-files to checkout. Optional. "
-        "(Finds all DVC-files in the workspace by default.)",
+        help=(
+            "Limit command scope to these tracked files/directories, "
+            ".dvc files, or stage names."
+        ),
     ).complete = completion.DVC_FILE
     checkout_parser.set_defaults(func=CmdCheckout)

dvc/command/data_sync.py

@@ -103,8 +103,10 @@ def shared_parent_parser():
     parent_parser.add_argument(
         "targets",
         nargs="*",
-        help="Limit command scope to these DVC-files. "
-        "Using -R, directories to search DVC-files in can also be given.",
+        help=(
+            "Limit command scope to these tracked files/directories, "
+            ".dvc files, or stage names."
+        ),
     ).complete = completion.DVC_FILE
 
     return parent_parser