diff --git a/Optimal_bounding_box/doc/Optimal_bounding_box/Concepts/OrientedBoundingBoxTraits.h b/Optimal_bounding_box/doc/Optimal_bounding_box/Concepts/OrientedBoundingBoxTraits.h
index 544b8ef7dd0..c72e96808a8 100644
--- a/Optimal_bounding_box/doc/Optimal_bounding_box/Concepts/OrientedBoundingBoxTraits.h
+++ b/Optimal_bounding_box/doc/Optimal_bounding_box/Concepts/OrientedBoundingBoxTraits.h
@@ -1,7 +1,7 @@
 namespace CGAL {
 
 /*!
-\ingroup PkgOrientedBoundingBoxConcepts
+\ingroup PkgOptimalBoundingBoxConcepts
 \cgalConcept
 
 The concept `OrientedBoundingBoxTraits` describes the requirements of the traits class