small changes

changed "x/y" to "x and y"

Author: DumbMachine

lib/matplotlib/axes/_axes.py

@@ -4797,7 +4797,7 @@ def arrow(self, x, y, dx, dy, **kwargs):
         x, y : float
             The x and y coordinates of the arrow base.
         dx, dy : float
-            The length of the arrow along x/y-direction.
+            The length of the arrow along x and y direction.
 
         Returns
         -------