diff --git a/doc/publican/sources/Book_Info.xml b/doc/publican/sources/Book_Info.xml
index e9e5ff0d..0b7bf079 100644
--- a/doc/publican/sources/Book_Info.xml
+++ b/doc/publican/sources/Book_Info.xml
@@ -5,7 +5,7 @@
 ]>
 <bookinfo id="book-Wayland-Wayland">
   <title>Wayland</title>
-  <subtitle>The Wayland display server</subtitle>
+  <subtitle>The Wayland Protocol</subtitle>
   <productname>Documentation</productname>
   <productnumber>0.1</productnumber>
   <edition>1</edition>