diff --git a/index.md b/index.md
index 0d52590f..5ffe5fe4 100644
--- a/index.md
+++ b/index.md
@@ -1,6 +1,6 @@
 ---
 layout: page
-since: (from 2015-12-20 to 2016-02-14)
+since: (from 2015-12-21 to 2016-02-15)
 ---
 
 ## Core