DOC: Add kwdoc list to scatter() docstring

Closes matplotlib#29101.

Author: timhoffm

lib/matplotlib/axes/_axes.py

@@ -4850,7 +4850,8 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
         ----------------
         data : indexable object, optional
             DATA_PARAMETER_PLACEHOLDER
-        **kwargs : `~matplotlib.collections.Collection` properties
+        **kwargs : `~matplotlib.collections.PathCollection` properties
+            %(PathCollection:kwdoc)s
 
         See Also
         --------