Apply suggestions from code review

Co-Authored-By: phlptp <top1@llnl.gov>

Author: henryiii

README.md

@@ -378,7 +378,7 @@ There are several options that are supported on the main app and subcommands. Th
 -   `.get_subcommands(filter)`: The list of subcommands given on the command line.
 -   `.get_parent()`: Get the parent App or nullptr if called on master App.
 -   `.get_option(name)`: Get an option pointer by option name will throw if the specified option is not available,  nameless subcommands are also searched
--   `.get_option_no_throw(name)`: Gen an option pointer by option name, this function will return a `nullptr` instead of throwing if the option is not available.
+-   `.get_option_no_throw(name)`: Get an option pointer by option name. This function will return a `nullptr` instead of throwing if the option is not available.
 -   `.get_options(filter)`: Get the list of all defined option pointers (useful for processing the app for custom output formats).
 -   `.parse_order()`: Get the list of option pointers in the order they were parsed (including duplicates).
 -   `.formatter(fmt)`: Set a formatter, with signature `std::string(const App*, std::string, AppFormatMode)`. See Formatting for more details.