Update README.md

Author: tchaton

README.md

@@ -17,11 +17,11 @@ import torch
 import torch_points.points_cuda
 ```
 
-# Projects using those kernels.
+## Projects using those kernels.
 
 [```Pytorch Point Cloud Benchmark```](https://github.com/nicolas-chaulet/deeppointcloud-benchmarks)
 
-# Credit
+## Credit
 
 * [```Pointnet2_Tensorflow```](https://github.com/charlesq34/pointnet2) by [Charles R. Qi](https://github.com/charlesq34)