diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index fae2be464..e7505e3e2 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -5188,8 +5188,9 @@ patches.  Many bugs were fixed and some code was restructured.
 \medskip
 In 2018, several hundred bug fixes for 3.6.0 and some new features
 were assembled and released as NetHack 3.6.1. The development team at
-the time of release of 3.6.1 consisted of {\it Michael Allison},
-{\it Ken Arromdee}, {\it David Cohrs}, {\it Jessie Collet},
+the time of release of 3.6.1 consisted of 
+{\it Warwick Allison}, {\it Michael Allison}, {\it Ken Arromdee}, 
+{\it David Cohrs}, {\it Jessie Collet},
 {\it Pasi Kallinen}, {\it Ken Lorber}, {\it Dean Luick},
 {\it Patric Mueller}, {\it Pat Rankin}, {\it Derek S. Ray},
 {\it Alex Smith}, {\it Mike Stephenson}, {\it Janet Walz}, and