README.md : more typography adapted

README.md

@@ -3,7 +3,6 @@
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 ### **RayanLevert\Cli\Arguments\Argument** defines what is an Argument
 An argument has a name and different options and can only be of type `integer`, `double` ou `string` (if the option `noValue` is used, it will be `bool`)
@@ -37,7 +36,7 @@ new \RayanLevert\Cli\Arguments(\RayanLevert\Cli\Arguments\Argument ...$oArgument
 
 Associates each parsed value to its Argument in the collection
 
-The parsed value of an argument is recoverable by `::get(string $nomArgument)`
+The parsed value of an argument is recoverable by `::get(string $argumentName)`
 
 By default, `NULL` is returned; `integer`, `float` or `string` can be returned if the argument has been parsed and option `castTo` has been set