Better desc what cache is

Author: AB-xdev

README.md

@@ -4,7 +4,7 @@
 
 # SqlEngine Database Adapter Caché 2009
 
-The XDEV Application Framework provides an abstraction over database dialects as part of its SqlEngine. This module is the Database Adapter for Caché 2009 which includes the Cache-specific implementation for database access.
+The XDEV Application Framework provides an abstraction over database dialects as part of its SqlEngine. This module is the Database Adapter for [InterSystems Caché 2009](https://www.intersystems.com/products/cache/) which includes the Caché-specific implementation for database access.
 
 ## IMPORTANT
 *At the time of publishing this code, we couldn't find any compatible JDBC driver as a maven dependency for 'Cache 2009.1'.