doc: Updated readme

Author: Karol-G

README.md

@@ -9,7 +9,7 @@
 [![npe2](https://img.shields.io/badge/plugin-npe2-blue?link=https://napari.org/stable/plugins/index.html)](https://napari.org/stable/plugins/index.html)
 [![Copier](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/copier-org/copier/master/img/badge/badge-grayscale-inverted-border-purple.json)](https://github.com/copier-org/copier)
 
-This Napari plugin is a reader/writer for [MLArray](https://github.com/MIC-DKFZ/mlarray) data. MLArray is an array format specialized for Machine Learning with Blosc2 backend and standardized metadata. 
+A reader/writer Napari plugin for [MLArray](https://github.com/MIC-DKFZ/mlarray) images. MLArray is an array format specialized for Machine Learning with Blosc2 backend and standardized metadata. 
 
 ## Installation