telnet link

README.md

@@ -5,6 +5,7 @@ Key course sites:
 * [NPS CLE Sakai site](https://cle.nps.edu) for MV3500 course
 * [NPS GitLab site: NetworkedGraphicsMV3500](https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500)
 * [Wikipedia book: Networked_Modeling_and_Simulation](https://en.wikipedia.org/wiki/Book:Networked_Modeling_and_Simulation)
+* [Savage Developers Guide: telnet Network Protocol](https://savage.nps.edu/Savage/developers.html#telnet)
 
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