diff --git a/README.md b/README.md
index 60a3713d0b52ae69cdfcb95e0fe9315697771cec..ad747613ec20b7bbfed483e8f5809da2580f581c 100644
--- a/README.md
+++ b/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)
 
 References and Resources:
 * [GitLab Flavored Markdown (GFM)](https://docs.gitlab.com/ee/user/markdown.html)