diff --git a/index.md b/index.md
index 62df1fa1..e76c479d 100644
--- a/index.md
+++ b/index.md
@@ -1,6 +1,6 @@
 ---
 layout: page
-since: (from 2015-12-18 to 2016-02-12)
+since: (from 2015-12-19 to 2016-02-13)
 ---
 
 ## Core