remove "about"

Author: elichad

README.md

@@ -8,7 +8,7 @@ We welcome all contributions to improve the lesson! Maintainers will do their be
 questions, concerns, or experience any difficulties along the way.
 
 We'd like to ask you to familiarize yourself with our [Contribution Guide](CONTRIBUTING.md) and have a look at
-the [more detailed guidelines][lesson-example] on about proper formatting, ways to render the lesson locally, and even
+the [more detailed guidelines][lesson-example] on proper formatting, ways to render the lesson locally, and even
 how to write new episodes.
 
 Please see the current list of [issues](https://github.com/ResearchObject/packaging_data_with_ro-crate/issues) for ideas for contributing to this