improved description

examples/README.md

 # Networked Graphics MV3500 Course Examples
 
-Updated course examples, under a single Netbeans project with common build tasks.
+This is parent directory for updated course examples, collected under a single Netbeans subproject with common build tasks.
 
 * [TcpExamples](src/TcpExamples)
 
 * [UdpMulticastHttpExamples](src/UdpMulticastHttpExamples)
 
-* [DisExamples](src/DisExamples)
+* [OpenDis7Examples](src/OpenDis7Examples)
 
 These examples are the basis for class programming reviews and homework assignments.
 You are welcome to modify or adapt them in any way that you want.