README updates

assignments/src/MV3500Cohort2023MarchJune/README.md

 ## Student assignments: homework submission directories
 
-* [Homework 1 README](homework1/README.md) Netbeans, Wireshark, Telnet
-* [Homework 2 README](homework2/README.md) Example Simulation Program
+* [Homework 1 README](homework1/README.md) Netbeans, Wireshark, Telnet, TCP Sockets
+* [Homework 2 README](homework2/README.md) UDP Multicast Client/Server Networking
+* [Homework 3 README](homework3/README.md) Example Simulation Recording OpenDIS Network Streams
+* [Homework 4 README](homework4/README.md) DIS Specification Review and Feedback
 * [Projects README](projects/README.md) Simkit OpenDIS Experimentation
 
 Please see the [README.md](../../../README.md) in the parent

assignments/src/MV3500Cohort2023MarchJune/homework2/README.md

-## Homework 2: Client/Server Networking
+## Homework 2: UDP Multicast Client/Server Networking
 
 Deliverables: