fix data type in docblock
minor #12566 [Security][Http] fix data type in docblock (xabbuh)

This PR was merged into the 2.6 branch.

Discussion
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[Security][Http] fix data type in docblock

| Q             | A
| ------------- | ---
| Fixed tickets | #12564
| License       | MIT

Commits
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1c6f5a1 fix data type in docblock