Correctly format docstrings

Author: seisman

pygmt/src/magnetic_rose.py

@@ -8,10 +8,11 @@
 from pygmt.alias import Alias, AliasSystem
 from pygmt.clib import Session
 from pygmt.exceptions import GMTInvalidInput
-from pygmt.helpers import build_arg_list
+from pygmt.helpers import build_arg_list, fmt_docstrings
 from pygmt.params import Box, Position
 
 
+@fmt_docstrings
 def magnetic_rose(  # noqa: PLR0913
     self,
     position: Position | None = None,