Label attribute mentioned in some docs is 'img_label', but 'gt_label' is actually used in the code

[ravenmk3]

分支

main 分支 (mmpretrain 版本)

描述该错误

Label attribute mentioned in some docs is 'img_label', but 'gt_label' is actually used in the code

https://github.com/open-mmlab/mmpretrain/search?q=img_label
https://github.com/open-mmlab/mmpretrain/search?q=gt_label

环境信息

None

其他信息

No response

[Ezra-Yu]

Using 'gt_label' is correct as in the code, Could help us create PR and fix the doc typo of 'img_label'?