Update readme

Author: marvinsxtr

README.md

@@ -105,7 +105,7 @@ This project builds on the following open-source libraries:
 - [Scanpy](https://github.com/scverse/scanpy) - Single-cell analysis in Python
 - [Pertpy](https://github.com/theislab/pertpy) - Perturbation analysis tools
 - [sergio_rs](https://github.com/rainx0r/sergio_rs) - Gene regulatory network simulation
-- [grn-paper](https://github.com/maguirre1/grn-paper) - Gene regulatory network database
+- [grn-paper](https://github.com/maguirre1/grn-paper) - Gene regulatory network sampling
 
 ## License