diff --git a/docs/index.md b/docs/index.md
index 46d35d7..0acc82a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -29,13 +29,15 @@
 [![Conda](https://img.shields.io/conda/dn/conda-forge/safe-mol)](https://anaconda.org/conda-forge/safe-mol)
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/safe-mol)](https://pypi.org/project/safe-mol/)
 [![Code license](https://img.shields.io/badge/Code%20License-Apache_2.0-green.svg)](https://github.com/datamol-io/safe/blob/main/LICENSE)
-[![Data License](https://img.shields.io/badge/Data%20License-CC%20BY%204.0-red.svg)](https://github.com/datamol-io/safe/blob/main/DATA_LICENSE)[![GitHub Repo stars](https://img.shields.io/github/stars/datamol-io/safe)](https://github.com/datamol-io/safe/stargazers)
+[![Data License](https://img.shields.io/badge/Data%20License-CC%20BY%204.0-red.svg)](https://github.com/datamol-io/safe/blob/main/DATA_LICENSE)
+[![GitHub Repo stars](https://img.shields.io/github/stars/datamol-io/safe)](https://github.com/datamol-io/safe/stargazers)
 [![GitHub Repo stars](https://img.shields.io/github/forks/datamol-io/safe)](https://github.com/datamol-io/safe/network/members)
+[![arXiv](https://img.shields.io/badge/arXiv-2310.10773-b31b1b.svg)](https://arxiv.org/pdf/2310.10773.pdf)
+
 [![test](https://github.com/datamol-io/safe/actions/workflows/test.yml/badge.svg)](https://github.com/datamol-io/safe/actions/workflows/test.yml)
 [![release](https://github.com/datamol-io/safe/actions/workflows/release.yml/badge.svg)](https://github.com/datamol-io/safe/actions/workflows/release.yml)
 [![code-check](https://github.com/datamol-io/safe/actions/workflows/code-check.yml/badge.svg)](https://github.com/datamol-io/safe/actions/workflows/code-check.yml)
 [![doc](https://github.com/datamol-io/safe/actions/workflows/doc.yml/badge.svg)](https://github.com/datamol-io/safe/actions/workflows/doc.yml)
-[![arXiv](https://img.shields.io/badge/arXiv-2310.10773-b31b1b.svg)](https://arxiv.org/pdf/2310.10773.pdf)
 
 ## Overview of SAFE