DOC: Cross-link Axes attributes

Follow up to matplotlib#28825.

lib/matplotlib/axes/_base.py

@@ -2251,8 +2251,8 @@ def add_artist(self, a):
 
         Use `add_artist` only for artists for which there is no dedicated
         "add" method; and if necessary, use a method such as `update_datalim`
-        to manually update the dataLim if the artist is to be included in
-        autoscaling.
+        to manually update the `~.Axes.dataLim` if the artist is to be included
+        in autoscaling.
 
         If no ``transform`` has been specified when creating the artist (e.g.
         ``artist.get_transform() == None``) then the transform is set to
@@ -2365,7 +2365,7 @@ def _add_text(self, txt):
 
     def _update_line_limits(self, line):
         """
-        Figures out the data limit of the given line, updating self.dataLim.
+        Figures out the data limit of the given line, updating `.Axes.dataLim`.
         """
         path = line.get_path()
         if path.vertices.size == 0:

lib/matplotlib/image.py

@@ -919,10 +919,10 @@ def set_extent(self, extent, **kwargs):
 
         Notes
         -----
-        This updates ``ax.dataLim``, and, if autoscaling, sets ``ax.viewLim``
-        to tightly fit the image, regardless of ``dataLim``.  Autoscaling
-        state is not changed, so following this with ``ax.autoscale_view()``
-        will redo the autoscaling in accord with ``dataLim``.
+        This updates `.Axes.dataLim`, and, if autoscaling, sets `.Axes.viewLim`
+        to tightly fit the image, regardless of `~.Axes.dataLim`.  Autoscaling
+        state is not changed, so a subsequent call to `.Axes.autoscale_view`
+        will redo the autoscaling in accord with `~.Axes.dataLim`.
         """
         (xmin, xmax), (ymin, ymax) = self.axes._process_unit_info(
             [("x", [extent[0], extent[1]]),