diff --git a/src/docbkx/introduction/introduction.xml b/src/docbkx/introduction/introduction.xml
index 3ff9b07d9..5d9eb2bca 100644
--- a/src/docbkx/introduction/introduction.xml
+++ b/src/docbkx/introduction/introduction.xml
@@ -12,17 +12,17 @@
Knowing Spring
Spring Data uses Spring framework's core
+ url="http://static.springframework.org/spring/docs/3.0.x/reference/html/spring-core.html">core
functionality, such as the IoC
+ url="http://static.springframework.org/spring/docs/3.0.x/reference/html/beans.html">IoC
container, type
- conv ersion system, expression
+ url="http://static.springsource.org/spring/docs/3.0.x/reference/html/validation.html#core-convert">type
+ conversion system, expression
language, JMX
+ url="http://static.springsource.org/spring/docs/3.0.x/reference/html/jmx.html">JMX
integration, and portable DAO
+ url="http://static.springsource.org/spring/docs/3.0.x/reference/html/dao.html#dao-exceptions">DAO
exception hierarchy. While it is not important to know the
Spring APIs, understanding the concepts behind them is. At a minimum,
the idea behind IoC should be familiar for whatever IoC container you