Get rid of math mode in some places.
diff --git a/Doc/libmacspeech.tex b/Doc/libmacspeech.tex
index d3b6e96..92c0541 100644
--- a/Doc/libmacspeech.tex
+++ b/Doc/libmacspeech.tex
@@ -45,7 +45,7 @@
 \renewcommand{\indexsubitem}{(voice object method)}
 
 \begin{funcdesc}{GetGender}{}
-Return the gender of the voice:\ 0 for male, 1 for female and $-1$ for neuter.
+Return the gender of the voice: 0 for male, 1 for female and -1 for neuter.
 \end{funcdesc}
 
 \begin{funcdesc}{NewChannel}{}