Grammatically updated the readme file. (#1964)

* Grammatically updated the README file. 
---------

Co-authored-by: Alex Cotiugă <ancotiuga@gmail.com>

README.md

@@ -19,9 +19,9 @@ Read our [Download and Installation](https://www.xwiki.org/xwiki/bin/view/Downlo
 Read our [Release Notes](https://www.xwiki.org/xwiki/bin/view/ReleaseNotes/).
 
 ## Tools
-* [Continuous Integration](https://ci.xwiki.org/) setup launches a build for each commit
-* [Issue Tracker](https://jira.xwiki.org/browse/XWIKI) if you want to report an issue
-* [Development Flow](https://dev.xwiki.org/xwiki/bin/view/Community/DevelopmentPractices#HGeneralDevelopmentFlow) to see the full list of tools we use to build XWiki
+* [Continuous Integration](https://ci.xwiki.org/) setup launches a build for each commit.
+* [Issue Tracker](https://jira.xwiki.org/browse/XWIKI), if you want to report an issue.
+* [Development Flow](https://dev.xwiki.org/xwiki/bin/view/Community/DevelopmentPractices#HGeneralDevelopmentFlow) to see the full list of tools we use to build the XWiki software.
 * [![Revved up by Gradle Enterprise](https://img.shields.io/badge/Revved%20up%20by-Gradle%20Enterprise-06A0CE?logo=Gradle&labelColor=02303A)](https://ge.xwiki.org/scans)
 
 ## Community