fix typo in 'synchronized' documentation

[christianrauch]

Description

Fix:

The thread will run with the synchronized with the main controller_manager thread.

->

The thread will run synchronized with the main controller_manager thread.

Fixes # (issue)

Is this user-facing behavior change?

Did you use Generative AI?

No.

Additional Information

TODOs

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[christophfroehlich]

Thank you!