updated readme

README.md

@@ -3,8 +3,8 @@
 [![DOI](https://zenodo.org/badge/425115743.svg)](https://zenodo.org/badge/latestdoi/425115743)
 
 This repository contains all the Jupyter notebook files and other files necessary to reproduce the results and figures in the paper *"Free, flexible and fast: orientation mapping using the multi-core and GPU-accelerated template matching capabilities in the python-based open source 4D-STEM analysis toolbox Pyxem"* published in the journal *Ultramicroscopy*.
-The paper preprint is available open access at <https://doi.org/10.1016/j.ultramic.2022.113517>.
-If you use these workflows or Pyxem for your work, a citation of our paper would be appriciated:
+The paper is available as an open access article at <https://doi.org/10.1016/j.ultramic.2022.113517>.
+If you use these workflows or Pyxem for your work, a citation of our paper would be appreciated:
 
 ```bibtex
 @article{pyxempaper,