Update README.md

Author: ttulka

README.md

@@ -2,7 +2,7 @@
 
 The purpose of this project is to provide a sample implementation of an e-commerce product following **Domain-Driven Design (DDD)** and **Service-Oriented Architecture (SOA)** principles.
 
-Programming language is Java 11 with heavy use of Spring framework.
+Programming language is Java with heavy use of Spring framework.
 
 ```sh
 # build