diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
index 37a3d39ed77f..5b112b68d646 100644
--- a/lib/matplotlib/axes/_base.py
+++ b/lib/matplotlib/axes/_base.py
@@ -1072,7 +1072,7 @@ def reset_position(self):
         """
         Reset the active position to the original position.
 
-        This resets the a possible position change due to aspect constraints.
+        This resets the possible position change due to aspect constraints.
         For an explanation of the positions see `.set_position`.
         """
         for ax in self._twinned_axes.get_siblings(self):