diff --git a/src/site/site.xml b/src/site/site.xml
index 72b586785..d85033311 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -28,13 +28,13 @@
+ href="http://commons.apache.org/math/javadocs/api-3.1.1/index.html"/>
+ href="http://commons.apache.org/math/javadocs/api-3.1/index.html"/>
+ href="http://commons.apache.org/math/javadocs/api-3.0/index.html"/>
+ href="http://commons.apache.org/math/javadocs/api-2.2/index.html"/>