--- a/dottes.tex	Thu Aug 08 07:06:20 2019 +0100
+++ b/dottes.tex	Thu Aug 08 07:38:30 2019 +0100
@@ -8,6 +8,7 @@
 \usepackage{graphicx}
 \usepackage{fancyhdr}
 \usepackage{ifthen}
+\usepackage{metalogo}
 \usepackage[defaultlines=4,all]{nowidow}
 \usepackage{tabularx}
 \usepackage{longtable}
@@ -192,10 +193,11 @@
 Book sources can be found at in a Mercurial
 (\url{https://www.mercurial-scm.org/}) repository at
 \url{http://hg.cryhavoc.org.uk/dottes/}. Tunes are
-in abc notation (\url{http://abcnotation.com/}).
+in Chris Walshaw's abc notation (\url{http://abcnotation.com/}).
 
-Music typeset by abcm2ps (\url{http://moinejf.free.fr/}).
-Document typeset by {\LaTeX} using {\TeX} Live on a Debian Linux system.
+Music typeset by Jef Moine's abcm2ps (\url{http://moinejf.free.fr/}).
+Document typeset by {\LaTeX} using {\XeLaTeX} from {\TeX} Live on
+a Debian Linux system.
 Grateful thanks to all contributors to abc, {\LaTeX}, Debian,
 Linux and related software.