diff --git a/README.txt b/README.txt
index 301797a..8b90be6 100644
--- a/README.txt
+++ b/README.txt
@@ -1,5 +1,5 @@
-Python module to interface with French's bank online credit card processing
-services.
+Interface with French's bank online credit card processing services
+===================================================================
 
 Services supported are:
 - ATOS/SIPS used by:
@@ -41,6 +41,11 @@ order id field, so they can be matched in backoffice.
 Changelog
 =========
 
+1.5
+---
+- uniformize constructors
+- fix service_url in the payzen backend
+
 1.4
 ---
 - add sips2 backend to conform with version 2.3 of their interface