Update README.md

Fix name of Jar to copy from Releases

Author: jechague

java/README.md

@@ -6,7 +6,7 @@ This repository holds the implementation of a GeneXus [External Object](https://
 
 ## How to use it
 
-First, add to the Knowledge Base the dependencies needed for the external object. Add `genexus-mqtt-*.jar` present in the Java Release and `eclipse-paho-mqttv3-1.2.5.jar` from maven into your Knowledge Base. Make sure you set the property [Extract for Java Generator](https://wiki.genexus.com/commwiki/servlet/wiki?39499,Extract+for+Java+Generator+property) to **True** for all of these files.
+First, add to the Knowledge Base the dependencies needed for the external object. Add `mqttjavaexo-<version>-SNAPSHOT.jar` present in the Java Release and `eclipse-paho-mqttv3-1.2.5.jar` from maven into your Knowledge Base. Make sure you set the property [Extract for Java Generator](https://wiki.genexus.com/commwiki/servlet/wiki?39499,Extract+for+Java+Generator+property) to **True** for all of these files.
 
 In order to be able to import the external object, you need to add both jar files to your [classpath property](https://wiki.genexus.com/commwiki/servlet/wiki?9248,Classpath+property,).