diff --git a/docs/Doxygen/groups.dxy b/docs/Doxygen/groups.dxy
index 5235cb65..96d009a2 100644
--- a/docs/Doxygen/groups.dxy
+++ b/docs/Doxygen/groups.dxy
@@ -8,4 +8,6 @@ This module contains all the basic types for representing spatial entities like
 */
 
/** \defgroup trimesh Triangular Meshes
This module contains the documentation for the types and the functions used for representing and managing generic \b triangular \b meshes.
 */

/** \defgroup tetramesh Tetrahedral Meshes
This module contains the documentation for the types and the functions used for representing and managing generic tetrahedral of meshes.
-*/
\ No newline at end of file
+*/

/** \defgroup math Math
This module contains the documentation for the types and the functions used for representing and managing mathematical entities.
+
+*/
\ No newline at end of file