Update README.md

Author: CosmoMatt

README.md

@@ -3,8 +3,7 @@
 [![image](https://codecov.io/gh/astro-informatics/s2fft/branch/main/graph/badge.svg?token=7QYAFAAWLE)](https://codecov.io/gh/astro-informatics/s2fft)
 [![image](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![image](http://img.shields.io/badge/arXiv-xxxx.xxxxx-orange.svg?style=flat)](https://arxiv.org/abs/xxxx.xxxxx)<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-4-orange.svg?style=flat-square)](#contributors-)
-<!-- ALL-CONTRIBUTORS-BADGE:END --> 
+[![All Contributors](https://img.shields.io/badge/all_contributors-4-orange.svg?style=flat-square)](#contributors-) <!-- ALL-CONTRIBUTORS-BADGE:END --> 
 [![image](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
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