Update README.md

Me dumb, thought there are only seven labels but it turns out there are 8 labels (index 0 to 7)

README.md

@@ -38,7 +38,7 @@ model-index:
 This model is a fine-tuned version of [google/vit-base-patch16-224-in21k](https://huggingface.co/google/vit-base-patch16-224-in21k) 
 on the [FastJobs/Visual_Emotional_Analysis](https://huggingface.co/datasets/FastJobs/Visual_Emotional_Analysis) dataset.
 
-In theory, the accuracy for a random guess on this dataset is 0.1429.
+In theory, the accuracy for a random guess on this dataset is 0.125 (8 labels and you need to choose one).
 
 It achieves the following results on the evaluation set:
 - Loss: 1.0511