Fix changelog dates

Author: ZenCocoon

content/reference/changelog.md

@@ -1,12 +1,11 @@
 # Changelog
 
-  * [api improvement] Add `floor` to the `rentals` endpoint.
-
-## 2016-03-19
+## 2016-03-20
 
   * [api improvement] Add `fees`, `taxes`, `bookings_fees`, `bookings_taxes`, `rentals_fees`, `rentals_taxes`, `fees_taxes`, `tax_rules` endpoints.
   * [api improvement] Add more currencies.
   * [api improvement] Add `checkin_details` and `checkout_details` to rentals. Requires `rentals_read` or `rentals_write` scope as this data should not be shared before the booking is confirmed.
+  * [api improvement] Add `floor` to the `rentals` endpoint.
   * [doc fix] Add missing associations in rentals responses.
 
 ## 2016-02-06