Add compatible note.

easybill · Sep 7, 2018 · 8e424e7 · 8e424e7
1 parent ecbe2c2
commit 8e424e7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -5,6 +5,8 @@ easybill PHP SDK
 
 Switch SDK to [REST API](https://www.easybill.de/api/) **under development!** 
 
+**Note**: v2 is not compatible with v1!
+
 ## Installation
 The recommended way of installing this library is using [Composer](http://getcomposer.org/).