Update README.md

Author: Tim Gibson

README.md

@@ -37,6 +37,6 @@ docker-compose up
 
 If you find typos or other issues with the tutorial, feel free to create a PR and suggest fixes!
 
-If you have ideas on how to make the tutorial better or new content, please open an issue first before working on your idea. While we love input, we want to keep the tutorial is scoped to new-comers.
+If you have ideas on how to make the tutorial better or new content, please open an issue first before working on your idea. While we love input, we want to keep the tutorial  scoped to new-comers.
 As such, we may reject ideas for more advanced requests and don't want you to lose any work you might
 have done. So, ask first and we'll gladly hear your thoughts!