diff --git a/reference/yaf/book.xml b/reference/yaf/book.xml
index aa2e820a51..4e8a1de4f9 100644
--- a/reference/yaf/book.xml
+++ b/reference/yaf/book.xml
@@ -2,8 +2,8 @@
 <!-- $Revision$ -->
 
 <book xml:id="book.yaf" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
- <title>Yaf</title>
- <titleabbrev>Yet Another Framework</titleabbrev>
+ <title>Yet Another Framework</title>
+ <titleabbrev>Yaf</titleabbrev>
 
  <preface xml:id="intro.yaf">
   &reftitle.intro;
diff --git a/reference/yar/book.xml b/reference/yar/book.xml
index f3f80adf2a..4ed26cc229 100644
--- a/reference/yar/book.xml
+++ b/reference/yar/book.xml
@@ -2,8 +2,8 @@
 <!-- $Revision$ -->
 
 <book xml:id="book.yar" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
- <title>Yar</title>
- <titleabbrev>Yet Another RPC Framework</titleabbrev>
+ <title>Yet Another RPC Framework</title>
+ <titleabbrev>Yar</titleabbrev>
 
  <preface xml:id="intro.yar">
   &reftitle.intro;