Fix doc build

examples/plotting/custom_figure_layout.py

@@ -4,7 +4,7 @@
 =======================
 
 Custom layouts for hyperspy figures can be created using the :class:`matplotlib.figure.SubFigure` class. Passing
-the `fig` argument to the :func:`hyperspy.api.BaseSignal.plot` method of a hyperspy signal object will target
+the `fig` argument to the :meth:`~.api.BaseSignal.plot` method of a hyperspy signal object will target
 that figure instead of creating a new one. This is useful for creating custom layouts with multiple subplots.
 """