fix typo in submission.md

Author: oneroyalace

finalproject/submission.md

@@ -28,7 +28,7 @@ Product
 
 When you're ready to submit the project, please create a new github issue in your repository called "Ready for Review". In your team's slack channel, post a link to that issue and mention all members of the teachhing team to let them know your project is ready for final review. Please note that the projects are due by 11:59pm **Monday Jan 19**. 
 
-**Section A only**: Please post a short handoff memo in your team's interal channel containing all research + scripts + appropriate links from your project. 
+**Section A only**: Please post a short handoff memo in your team's internal channel containing all research + scripts + appropriate links from your project. 
 
 Please communicate with the teaching team if you think your team needs more time and won't be able to meet the originally set due date so that we know when to expect a submission.