Fix typo and double word.
diff --git a/Doc/library/optparse.rst b/Doc/library/optparse.rst
index cfcd8a6..8b585b6 100644
--- a/Doc/library/optparse.rst
+++ b/Doc/library/optparse.rst
@@ -954,7 +954,7 @@
* ``append_const`` [required: ``const``; relevant: :attr:`dest`]
Like ``store_const``, but the value ``const`` is appended to :attr:`dest`; as
- with ``append``, :attr:`dest` defaults to ``None``, and an an empty list is
+ with ``append``, :attr:`dest` defaults to ``None``, and an empty list is
automatically created the first time the option is encountered.
* ``count`` [relevant: :attr:`dest`]
@@ -1120,7 +1120,7 @@
* if the number starts with ``0``, it is parsed as an octal number
-* if the number starts with ``0b``, is is parsed as a binary number
+* if the number starts with ``0b``, it is parsed as a binary number
* otherwise, the number is parsed as a decimal number