Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -49,7 +49,7 @@ Have you used The Field Guide to Security Training in the Newsroom to lead a wor
 If you'd like to submit a new lesson plan to this guidebook, first of all, thank you! Please start by [opening an issue](https://github.com/OpenNewsLabs/newsroom-security-curricula/issues/new). If you're comfortable with Github and Markdown, the best way to submit changes is to fork this project and [open a pull request](https://github.com/OpenNewsLabs/newsroom-security-curricula/compare). If git is not your thing, you can write your lesson plans in your editor of choice and send them to us at [fieldguide@opennews.org](mailto:fieldguide@opennews.org). You'll find Markdown and HTML lesson plan templates in the project's [templates](https://github.com/OpenNewsLabs/field-guide-security-training-newsroom/tree/master/templates) directory.
 
 ### Add new resources and glossary items
-Chapter 3 includes a glossary and links to existing security resources, to complement and extend the topics covered in our lesson plans. If your favourite links are missing, we'd love to add them! If you're comfortable with GitHub, we welcome pull Requests and new issues, or you can also drop us an email anytime.
+Chapter 3 includes a glossary and links to existing security resources, to complement and extend the topics covered in our lesson plans. If your favourite links are missing, we'd love to add them! If you're comfortable with GitHub, we welcome pull requests and new issues, or you can also drop us an email anytime.
 
 ### Translate and localize the guide
 The initial version of the guide was written with North American English-speaking newsrooms in mind, but digital security is important for journalists working in all communities and languages. If you can provide translations of the existing guide resources, or if you'd like to add lesson plans covering topics more relevant to your community, please contact us.