diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index 2930c3afc..ef7acf627 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -2697,17 +2697,12 @@ for system administrators.
 %.hn 2
 \subsection*{Using a configuration file}
 
-%override the deduced syllable breaks to prevent hyphenation of file names
-\hyphenation{.nethackrc}
-\hyphenation{defaults.nh}
-\hyphenation{nethack.exe}
-\hyphenation{nethackW.exe}
 %.pg
 The default name of the configuration file varies on different
-operating systems. On DOS and Windows, it is ``defaults.nh''
-in the same folder as {\it nethack.exe\/} or {\it nethackW.exe\/}. On Unix, Linux
-and Mac OS X it is ``.nethackrc'' in the user's home directory.
-The file may not exist, but it is a normal ASCII text file and
+operating systems. On DOS and Windows, it is \mbox{``defaults.nh''}
+in the same folder as \mbox{{\it nethack.exe\/}} or \mbox{{\it nethackW.exe\/}}. 
+On Unix, Linux and Mac OS X it is \mbox{{``.nethackrc''}} in the user's home 
+directory. The file may not exist, but it is a normal ASCII text file and
 can be created with any text editor.
 
 %.pg