diff --git a/Periodic_4_hyperbolic_triangulation_2/doc/Periodic_4_hyperbolic_triangulation_2/Concepts/Periodic_4HyperbolicDelaunayTriangulationTraits_2.h b/Periodic_4_hyperbolic_triangulation_2/doc/Periodic_4_hyperbolic_triangulation_2/Concepts/Periodic_4HyperbolicDelaunayTriangulationTraits_2.h
index 7bc83960255..f7d7b992017 100644
--- a/Periodic_4_hyperbolic_triangulation_2/doc/Periodic_4_hyperbolic_triangulation_2/Concepts/Periodic_4HyperbolicDelaunayTriangulationTraits_2.h
+++ b/Periodic_4_hyperbolic_triangulation_2/doc/Periodic_4_hyperbolic_triangulation_2/Concepts/Periodic_4HyperbolicDelaunayTriangulationTraits_2.h
@@ -8,7 +8,7 @@
 \cgalRefines Periodic_4HyperbolicTriangulationTraits_2
 
 The concept `Periodic_4HyperbolicDelaunayTriangulationTraits_2` adds a requirement 
-to `Periodic_4HyperbolicDelaunayTriangulationTraits_2` that needs to be fulfilled 
+to `Periodic_4HyperbolicTriangulationTraits_2` that needs to be fulfilled 
 by any class used to instantiate the first template parameter of the class 
 `CGAL::Periodic_4_hyperbolic_Delaunay_triangulation_2`.