Prepend description to README

README.md

@@ -2,14 +2,13 @@
 
 <div align="center">
 
+PySR searches for symbolic expressions which optimize a particular objective.
 
 https://github.com/MilesCranmer/PySR/assets/7593028/c8511a49-b408-488f-8f18-b1749078268f
 
 
 # PySR: High-Performance Symbolic Regression in Python and Julia
 
-PySR uses evolutionary algorithms to search for symbolic expressions which optimize a particular objective.
-
 | **Docs** | **Forums** | **Paper** | **colab demo** |
 |:---:|:---:|:---:|:---:|
 |[![Documentation](https://github.com/MilesCranmer/PySR/actions/workflows/docs.yml/badge.svg)](https://astroautomata.com/PySR/)|[![Discussions](https://img.shields.io/badge/discussions-github-informational)](https://github.com/MilesCranmer/PySR/discussions)|[![Paper](https://img.shields.io/badge/arXiv-2305.01582-b31b1b)](https://arxiv.org/abs/2305.01582)|[![Colab](https://img.shields.io/badge/colab-notebook-yellow)](https://colab.research.google.com/github/MilesCranmer/PySR/blob/master/examples/pysr_demo.ipynb)|