diff --git a/index.md b/index.md
index 618b760f..27285805 100644
--- a/index.md
+++ b/index.md
@@ -1,6 +1,6 @@
 ---
 layout: page
-since: (from 2015-12-06 to 2016-01-31)
+since: (from 2015-12-07 to 2016-02-01)
 ---
 
 ## Core