diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index eea3bba8c..776d05f4a 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -2946,7 +2946,7 @@ runs on:
 \nd {\it Dean Luick}, {\it Mark Modrall}, and {\it Kevin Hugo} maintained and
 enhanced the Macintosh port of 3.4.
 
-.pg
+%.pg
 \medskip
 \nd {\it Michael Allison}, {\it David Cohrs}, {\it Alex Kompel}, {\it Dion Nicolaas}, and 
 {\it Yitzhak Sapir} maintained and enhanced 3.4 for the Microsoft Windows platform.