minor #9884 Fixed typo (ddegasperi)

This PR was submitted for the 4.1 branch but it was merged into the 2.8 branch instead (closes #9884).

Discussion
----------

Fixed typo

<!--

If your pull request fixes a BUG, use the oldest maintained branch that contains
the bug (see https://symfony.com/roadmap for the list of maintained branches).

If your pull request documents a NEW FEATURE, use the same Symfony branch where
the feature was introduced (and `master` for features of unreleased versions).

-->

Commits
-------

ccb0e43 Fixed typo

Author: javiereguiluz

console/input.rst

@@ -257,7 +257,7 @@ To solve this issue, you have to set the option's default value to ``false``::
 
 Now check the value of the option and keep in mind that ``false !== null``::
 
-    $optionValue = $input->getOptions('yell');
+    $optionValue = $input->getOption('yell');
     $yell = ($optionValue !== false);
     $yellLouder = ($optionValue === 'louder');