diff --git a/HISTORY b/HISTORY
index 08c8bde..8cbfb30 100755
--- a/HISTORY
+++ b/HISTORY
@@ -1,6 +1,7 @@
 Oct. 8 2015
 Fixed an iterator validation bug
 Fixed an iterator assignment issue
+Improved stability, refused nested array inside other collections, and vice versa
 
 Oct. 7 2015
 Added non number data comparison