Update schedule

sched/index.html

@@ -120,7 +120,7 @@ Learners choose a way forward by exploring and identifying ideas that interests
 <tr>
 <th scope="row">December 3- December 14</th>
 <td>
-Learners finalize one/two proposals for working on free software project(s) with mentors. Proposals should be submitted before 23:59 on December 10.
+Learners finalize one/two proposals for working on free software project(s) with mentors. Proposals should be submitted before 23:59 on December 14.
 </td>
 </tr>
 <tr>