fixed edX info

Author: zhenzhai

pages/1.Curriculum.md

@@ -39,6 +39,7 @@ The final number grade will be an average:
 * 50% Grades on EdX homework. The lowest 2 grades will be dropped.
 * 40% Final Exam
 * 20% Class Participation
+
 * There will be no Midterms.
 
 Students that are on the waiting list are expected to do the
@@ -69,4 +70,3 @@ Class participation is graded as follows:
   "POP".
 * When posting a question on Piazza, check first whether a similar
   question has been answered before.
-  

pages/4.EdX.md

@@ -7,7 +7,7 @@ title: EdX
 is a system for doing homework online. It's major advantage is
 that the student gets immediate feedback on their answers.
 
-Assignments are weekly. They open and close on Friday at 5PM. After the
+Assignments are weekly. They open and close on Friday at 12PM. After the
 assignment is closed you can log in to find the correct answers.
 
 If you have troubles logging in with your account, please contact TA Zhen Zhai ([email protected]).