fixing typo in a comment
minor #11814 [Security] fixing typo in a comment (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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[Security] fixing typo in a comment

| Q             | A
| ------------- | ---
| Fixed tickets |
| License       | MIT

As reported [here](https://github.com/symfony/symfony/pull/11574/files#r16934052).

Commits
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faefd66 fixing typo in a comment