[Components] consistent headlines
minor #3829 [Components] consistent headlines (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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[Components] consistent headlines

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

This is a follow-up of #3765.

Commits
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0586ec4 [Components] consistent headlines