Fix closes issue12663 - Correcting the ArgumentParser.error description. Patch by Sandro Tosi.
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index 5824e7a..0823141 100644
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -1760,7 +1760,7 @@
.. method:: ArgumentParser.error(message)
This method prints a usage message including the *message* to the
- standard output and terminates the program with a status code of 2.
+ standard error and terminates the program with a status code of 2.
.. _argparse-from-optparse: