diff --git a/Documentation/doxyassist.xml b/Documentation/doxyassist.xml
index 2f28de1b65c..7168d24fcef 100644
--- a/Documentation/doxyassist.xml
+++ b/Documentation/doxyassist.xml
@@ -1330,6 +1330,7 @@ namespace for the XML file to be processed properly. -->
- ./tags/Nef_2.tag=../../CGAL.CGAL.2D-Boolean-Operations-on-Nef-Polygons/html
- ./tags/Nef_S2.tag=../../CGAL.CGAL.2D-Boolean-Operations-on-Nef-Polygons-Embedded-on-the-Sphere/html
- ./tags/Polyhedron.tag=../../CGAL.CGAL.3D-Polyhedral-Surface/html
+ - ./tags/Algebraic_foundations.tag=../../CGAL.CGAL.Algebraic-Foundations/html