Update README.md

README.md

@@ -2,4 +2,5 @@
 tags:
 - biology
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-butterfly image classification model that use pre-trained cnn model resnet18 and fine-tuned the last fully connected layer to classify 75 categories of butterfly species
+Butterfly image classification model that use pre-trained cnn model resnet18 and fine-tuned the last fully connected layer to classify 75 categories of butterfly species.
+The model used the best checkpoint with 90% test accuracy.