CHANGELOG.md in flapjack-1.6.0 vs CHANGELOG.md in flapjack-2.0.0b1

@@ -1,15 +1,8 @@
 ## Flapjack Changelog
 
-# 1.6.0 - 2015-07-09
-- No changes
-
-# 1.6.0rc4 - 2015-07-09
-- Feature: slack webhook gateway #881 (@mcqueenorama, @ali-graham)
-- Bug: sns gateway debugging and improvements (but still broken) #879 (@ali-graham, @jessereynolds)
-
-## Notes:
-- the SNS gateway signature calculation has been broken since v1.5.0 or earlier. See [#829](https://github.com/flapjack/flapjack/issues/829)
+# 2.0.0b1 - 2015-10-12
+- Feature: First beta release for v2.0.
 
 # 1.6.0rc3 - 2015-06-15
 - Chore/Bug?: SNS gateway improvements (@ali-graham)
 - Feature: add summary to rollup alerts #869 (@necula-01)
 - Bug: Fix notification rule regex matches #871 (@necula-01)