Update warning to clarify and make less 'scary'

readme.md

@@ -5,9 +5,9 @@
 [![Continuous Integration](https://github.com/iansan5653/open-mcr/actions/workflows/continuous_integration.yml/badge.svg)](https://github.com/iansan5653/open-mcr/actions/workflows/continuous_integration.yml)
 
 > **Warning**
-> This software is imperfect and, as per the license, no warranty is implied. It
-> usually works well, but there may be bugs. Please be sure to double check
-> the results, particularly when working with low-quality scans.
+> As per the license of this software, no warranty is implied. The software is
+> stable but there still may be bugs. Given that students' grades are at stake,
+> please be sure to audit the results - particularly when working with low-quality scans.
 
 ## Background