diff --git a/docs/en/dataset_zoo/2d_animal_keypoint.md b/docs/en/dataset_zoo/2d_animal_keypoint.md
index a181a2d614..9ef6022ecc 100644
--- a/docs/en/dataset_zoo/2d_animal_keypoint.md
+++ b/docs/en/dataset_zoo/2d_animal_keypoint.md
@@ -480,7 +480,7 @@ mmpose
 </div>
 
 ```bibtex
-@InProceedings{Ng_2022_CVPR,
+@inproceedings{Ng_2022_CVPR,
     author    = {Ng, Xun Long and Ong, Kian Eng and Zheng, Qichen and Ni, Yun and Yeo, Si Yong and Liu, Jun},
     title     = {Animal Kingdom: A Large and Diverse Dataset for Animal Behavior Understanding},
     booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
diff --git a/docs/zh_cn/dataset_zoo/2d_animal_keypoint.md b/docs/zh_cn/dataset_zoo/2d_animal_keypoint.md
index 23d2680db2..28b0b726b4 100644
--- a/docs/zh_cn/dataset_zoo/2d_animal_keypoint.md
+++ b/docs/zh_cn/dataset_zoo/2d_animal_keypoint.md
@@ -490,7 +490,7 @@ mmpose
 </div>
 
 ```bibtex
-@InProceedings{Ng_2022_CVPR,
+@inproceedings{Ng_2022_CVPR,
     author    = {Ng, Xun Long and Ong, Kian Eng and Zheng, Qichen and Ni, Yun and Yeo, Si Yong and Liu, Jun},
     title     = {Animal Kingdom: A Large and Diverse Dataset for Animal Behavior Understanding},
     booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},