diff --git a/Polygon_repair/include/CGAL/Polygon_repair/Even_odd_rule.h b/Polygon_repair/include/CGAL/Polygon_repair/Even_odd_rule.h
index fc4351aa7dc..b2dc51bfe36 100644
--- a/Polygon_repair/include/CGAL/Polygon_repair/Even_odd_rule.h
+++ b/Polygon_repair/include/CGAL/Polygon_repair/Even_odd_rule.h
@@ -18,7 +18,7 @@ namespace CGAL {
 
 namespace Polygon_repair {
 
-\addtogroup PkgPolygonRepairRef
+/// \addtogroup PkgPolygonRepairRef
 /// @{
 
 /*!