diff --git a/Constrained_triangulation_3/doc/Constrained_triangulation_3/PackageDescription.txt b/Constrained_triangulation_3/doc/Constrained_triangulation_3/PackageDescription.txt
index 1b343aefc3c..2c2a9e0fce3 100644
--- a/Constrained_triangulation_3/doc/Constrained_triangulation_3/PackageDescription.txt
+++ b/Constrained_triangulation_3/doc/Constrained_triangulation_3/PackageDescription.txt
@@ -1,5 +1,5 @@
 /*!
-\defgroup PkgConstrainedTriangulation3Ref 3D Constrained Triangulations Reference
+\defgroup PkgConstrainedTriangulation3Ref Reference Manual
 
 \defgroup PkgConstrainedTriangulation3Concepts Concepts
 \ingroup PkgConstrainedTriangulation3Ref