fix

Author: mluukkai

src/content/0/en/part0a.md

@@ -150,7 +150,7 @@ How to study the course – instructions in a nutshell: other course parts
 
 ### Submitting exercises
 
-The exercises are submitted through GitHub and marking them as done on the [submission system](https://studies.cs.helsinki.fi/stats/courses/fullstackopen).
+The exercises are submitted through GitHub and marking them as done on the "my submissions" tab of the [submission application](https://studies.cs.helsinki.fi/stats/courses/fullstackopen).
 
 If you are submitting exercises from different parts to the same repository, use an appropriate system for naming your directories. You can of course create a new repository for each part. If you are using a private repository, add <i>mluukkai</i> as a collaborator.