Merge pull request matplotlib#30784 from ianhi/uvc-docstring

correct statement about available methods in `Quiver` docstring

Author: QuLogic

lib/matplotlib/quiver.py

@@ -490,11 +490,8 @@ class Quiver(mcollections.PolyCollection):
     """
     Specialized PolyCollection for arrows.
 
-    The only API method is set_UVC(), which can be used
-    to change the size, orientation, and color of the
-    arrows; their locations are fixed when the class is
-    instantiated.  Possibly this method will be useful
-    in animations.
+    Use set_UVC to change the size, orientation, and color of the
+    arrows; their locations can be set using set_offsets().
 
     Much of the work in this class is done in the draw()
     method so that as much information as possible is available