Update activity.md

Author: vitorenesduarte

experiments/activity.md

@@ -49,7 +49,7 @@ Cluster up-time:
   - from __2016-12-08 12:04:20__ to __2016-12-08 15:44:47__ (03h40)
   - from __2016-12-13 15:02:45__ to __2016-12-13 19:32:58__ (04h30)
   - from __2016-12-14 11:51:54__ to __2016-12-14 20:27:34__ (08h36)
-  - from __2016-12-15 19:02:07__ to
+  - from __2016-12-15 19:02:07__ to __2016-12-15 19:31:00__ (00h29)
 
 - 140 m3.2xlarge
   - from __2016-12-08 15:47:36__ to __2016-12-08 16:45:46__ (00h58)
@@ -73,7 +73,7 @@ Total up-time:
 - 20 m3.2xlarge: 07h43
 - 35 m3.2xlarge: 11h20
 - 40 m3.2xlarge: 22h37
-- 70 m3.2xlarge: 16h46
+- 70 m3.2xlarge: 17h15
 - 140 m3.2xlarge: 02h05
 - 35 m4.4xlarge: 01h06
 - 70 m4.4xlarge:  02h27