Fix markdown documentation (#43076)
* Fix markdown documentation
Signed-off-by: Yuanyuan Chen <cyyever@outlook.com>
* Update docs/source/en/main_classes/video_processor.md
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
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Signed-off-by: Yuanyuan Chen <cyyever@outlook.com>
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>