Fix broken link to video classification task (#26487)

docs/source/en/model_doc/videomae.md

@@ -47,7 +47,7 @@ review it! The resource should ideally demonstrate something new instead of dupl
 **Video classification**
 - [A notebook](https://github.com/huggingface/notebooks/blob/main/examples/video_classification.ipynb) that shows how
 to fine-tune a VideoMAE model on a custom dataset.
-- [Video classification task guide](../tasks/video-classification)
+- [Video classification task guide](../tasks/video_classification)
 - [A 🤗 Space](https://huggingface.co/spaces/sayakpaul/video-classification-ucf101-subset) showing how to perform inference with a video classification model.