diff --git a/doc/predef.qbk b/doc/predef.qbk
index af232bb..824a299 100644
--- a/doc/predef.qbk
+++ b/doc/predef.qbk
@@ -1,4 +1,4 @@
-[article Predef
+[article Boost.Predef
     [quickbook 1.7]
     [version 1.4.1]
     [authors [Rivera, Rene]]