Fix grammar in doc comment

Added space after period in doc comment for `subcommand_name`
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Jeffrey 2021-10-30 10:37:14 -05:00 committed by GitHub
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@ -883,7 +883,7 @@ impl ArgMatches {
}
/// Because [`Subcommand`]s are essentially "sub-[`App`]s" they have their own [`ArgMatches`]
/// as well.But simply getting the sub-[`ArgMatches`] doesn't help much if we don't also know
/// as well. But simply getting the sub-[`ArgMatches`] doesn't help much if we don't also know
/// which subcommand was actually used. This method returns the name of the subcommand that was
/// used at runtime, or `None` if one wasn't.
///