diff --git a/build.sh b/build.sh
index db7884d..c4c75c5 100755
--- a/build.sh
+++ b/build.sh
@@ -1 +1 @@
-groff -Kutf8 -mom -Tpdf 00-front.mom 01-preface.mom 02-microsound.mom 03-convolution.mom 04-phase.mom 05-tunings.mom > cooganl-sound-hacking.pdf
+groff -Kutf8 -mom -Tpdf 00-front.mom 01-preface.mom 02-microsound.mom 03-convolution.mom 04-phase_vocoding.mom 05-alternative_tunings.mom > cooganl-sound-hacking.pdf