Update README.md

README.md

@@ -16,4 +16,6 @@ The dataset is from [**ProteinShake Building datasets and benchmarks for deep le
 
 # Label
 
-The labels include 3,042 correct structural classes, ranging from 0 to 3,041. For more details, please refer to [**ProteinShake Building datasets and benchmarks for deep learning on protein structures**](https://papers.nips.cc/paper_files/paper/2023/file/b6167294ed3d6fc61e11e1592ce5cb77-Paper-Datasets_and_Benchmarks.pdf).
+The labels include 3,042 correct structural classes, ranging from 0 to 3,041. 
+
+For more details, please refer to [**ProteinShake Building datasets and benchmarks for deep learning on protein structures**](https://papers.nips.cc/paper_files/paper/2023/file/b6167294ed3d6fc61e11e1592ce5cb77-Paper-Datasets_and_Benchmarks.pdf).