CHANGELOG.md in second_level_cache-2.2.1 vs CHANGELOG.md in second_level_cache-2.2.2

@@ -1,4 +1,9 @@
+2.2.2
+-----
+
+* Add `where(id: n).first`, `where(id: n).last` hit cache support. This improve will avoid some gems query database, for example: [devise](https://github.com/plataformatec/devise) `current_user` method.
+
 2.2.1
 -----
 
 * ActiveRecord 5 ready! Do not support ActiveRecord 4 and lower versions now (use second_level_cache 2.1.x).
 * Requirement Ruby 2.3+.