Update README.md

Author: CRHarding

README.md

@@ -53,9 +53,7 @@ In meeting the minimum viable product (MVP) specifications listed below, your pr
 
 ## Submission format
 
-- [ ] Submit via Codegrade by committing and pushing any new changes.
-- [ ] Create a pull request to merge `<firstName-lastName>` branch into `main`.
-- [ ] Please don't merge your own pull request and make sure **you are on your own repo**.
+- [ ] Submit via Codegrade by committing and pushing any new changes to the *main* branch.
 - [ ] Check Codegrade for automated feedback.
 - [ ] Check Codegrade in the days following the Sprint Challenge for reviewer feedback.
 - [ ] Any changes pushed after the deadline will not receive any feedback.