Fixed typos

Author: kmvanbrunt

docs/features/argument_processing.rst

@@ -343,7 +343,7 @@ use subcommands in your ``cmd2`` application.
 .. _tab_autocompletion: https://github.com/python-cmd2/cmd2/blob/master/examples/tab_autocompletion.py
 
 
-Argprase Extensions
+Argparse Extensions
 -------------------
 
 ``cmd2`` augments the standard ``argparse.nargs`` with range tuple capability:

docs/features/scripting.rst

@@ -36,7 +36,7 @@ Command script files can be executed using the built-in ``run_script`` command
 or ``@`` shortcut. Both ASCII and UTF-8 encoded unicode text files are
 supported. The ``run_script`` command supports tab-completion of file system
 paths.  There is a variant ``_relative_run_script`` command or ``@@``
-shortcut for use within a script which uses paths relative to the first scrip.
+shortcut for use within a script which uses paths relative to the first script.
 
 
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