CHANGELOG.md in aasm-4.0.5 vs CHANGELOG.md in aasm-4.0.6

@@ -3,9 +3,14 @@
 ## 4.1.0 (not yet released)
 
  * `aasm_column` has been removed. Use `aasm.attribute_name` instead
  * `aasm_human_event_name` has been removed. Use `aasm.human_event_name` instead
 
+## 4.0.6
+
+ * bugfix: `false` is treated as uninitialised state (same as `nil`) (see [issue #195](https://github.com/aasm/aasm/issues/195) for details)
+ * bugfix: an event's `:error` callback now retrieves all arguments passed to the event (see [issue #196](https://github.com/aasm/aasm/issues/196) for details)
+
 ## 4.0.5
 
  * bugfix: initialize the aasm state column after initialization of the _ActiveRecord_ instance only if the attribute has been loaded (see [issue #193](https://github.com/aasm/aasm/issues/193) for details)
 
 ## 4.0.4