Update README.md

Grammar.

Author: khatchad

README.md

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 # GitHub-Issue-Classifier
 [![Build Status](https://www.travis-ci.com/ponder-lab/GitHub-Issue-Mining.svg?token=hsn7ZoyjgYPPHKxyfxk7&branch=main)](https://www.travis-ci.com/ponder-lab/GitHub-Issue-Mining)
 
-Python script to mine for GitHub issues + comments and classify them using an [analysis and detection of information types of open source software issue discussions](https://doi.org/10.1109/ICSE.2019.00058). Our tool automated the process of querying GitHub for particular issues and feeding them into classification models. It supports both interactive and non-interactive modes.
+Python script to mine for GitHub issues + comments and classify them using an [analysis and detection of information types of open source software issue discussions](https://doi.org/10.1109/ICSE.2019.00058). Our tool automates the process of querying GitHub for particular issues and feeding them into classification models. It supports both interactive and non-interactive modes.
 
 ![CLI Tool Screenshot](./cli_screenshot.png)