diff --git a/doc/A05_PortingFrom2To3.dox b/doc/A05_PortingFrom2To3.dox
index 2d9182bbb..0dbddb976 100644
--- a/doc/A05_PortingFrom2To3.dox
+++ b/doc/A05_PortingFrom2To3.dox
@@ -9,8 +9,8 @@ and gives tips to help porting your application from Eigen2 to Eigen3.
 
 \section CompatibilitySupport Eigen2 compatibility support
 
-Up to version 3.2 %Eigen provides <a href="http://eigen.tuxfamily.org/dox/Eigen2SupportModes.html">Eigen2 support modes</a>. These are removed now, because they were barely used anymore and became hard to maintain after internal re-designs.
-You can still use them by first <a href="http://eigen.tuxfamily.org/dox/Eigen2ToEigen3.html">porting your code to Eigen 3.2</a>.
+Up to version 3.2 %Eigen provides <a href="http://eigen.tuxfamily.org/dox-3.2/Eigen2SupportModes.html">Eigen2 support modes</a>. These are removed now, because they were barely used anymore and became hard to maintain after internal re-designs.
+You can still use them by first <a href="http://eigen.tuxfamily.org/dox-3.2/Eigen2ToEigen3.html">porting your code to Eigen 3.2</a>.
 
 \section Using The USING_PART_OF_NAMESPACE_EIGEN macro
 
@@ -223,7 +223,7 @@ triangular part to work on</td></tr>
 
 \section GeometryModule Changes in the Geometry module
 
-The Geometry module is the one that changed the most. If you rely heavily on it, it's probably a good idea to use the \ref Eigen2SupportModes "Eigen 2 support modes" to perform your migration.
+The Geometry module is the one that changed the most. If you rely heavily on it, it's probably a good idea to use the <a href="http://eigen.tuxfamily.org/dox-3.2/Eigen2SupportModes.html">"Eigen 2 support modes"</a> to perform your migration.
 
 \section Transform The Transform class