Update Q2.c

Q2.c

@@ -33,6 +33,8 @@ Student highest_grade(Student arr[], int len) {
 }
 
 int main() {
+	// Students to test functions
+	// All will just have grades, nothing else filled out so we can test mark checking functions
 	Student John;
 	John.grades[0] = 3;
 	John.grades[1] = 4;