Fix typos in documentation (#13344)

Doc/faq/programming.rst

@@ -792,7 +792,7 @@ Its documentation looks like this::
       invoked using the three argument form.
 
 The slash at the end of the parameter list means that all three parameters are
-positional-only. Thus, calling :func:`pow` with keyword aguments would lead to
+positional-only. Thus, calling :func:`pow` with keyword arguments would lead to
 an error::
 
    >>> pow(x=3, y=4)

Doc/library/pickle.rst

@@ -642,7 +642,7 @@ or both.
      by other classes as long as they implement :meth:`__setitem__`.
 
    * Optionally, a callable with a ``(obj, state)`` signature. This
-     callable allows the user to programatically control the state-updating
+     callable allows the user to programmatically control the state-updating
      behavior of a specific object, instead of using ``obj``'s static
      :meth:`__setstate__` method. If not ``None``, this callable will have
      priority over ``obj``'s :meth:`__setstate__`.