FIX: correct text of error message

tacaswell · QuLogic · web-flow · commit 910bfe5ec9ef · 2020-06-05T15:00:58.000-04:00
Co-authored-by: Elliott Sales de Andrade &lt;quantum.analyst@gmail.com&gt;
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -343,7 +343,7 @@ def set_aspect(self, aspect, adjustable=None, anchor=None, share=False):
     def set_anchor(self, anchor, share=False):
         # docstring inherited
         if not (anchor in mtransforms.Bbox.coefs or len(anchor) == 2):
-            raise ValueError('argument must be among %s' %
+            raise ValueError('anchor must be among %s' %
                              ', '.join(mtransforms.Bbox.coefs))
         if share:
             axes = {*self._shared_x_axes.get_siblings(self),
