diff --git a/custom.properties b/custom.properties
index 42e3fe9..98bc442 100644
--- a/custom.properties
+++ b/custom.properties
@@ -1,3 +1,3 @@
-booktitle=ZIC for AWS GitHub version
+booktitle=ZIC for AWS Installation Guide - GitHub version
 spreadsheet.xml=classification.xml
 manual.name=ZIC_1.1.HTML