diff --git a/modules/mol/mm/doc/molmm.rst b/modules/mol/mm/doc/molmm.rst
index 2de5d956abd2ff0ac0179094be97a2e147ecc02e..d1bd2110f2dfcafbc2f5eed037c0cc301dbdd8dc 100644
--- a/modules/mol/mm/doc/molmm.rst
+++ b/modules/mol/mm/doc/molmm.rst
@@ -1,6 +1,9 @@
 The mm Module
 ================================================================================
 
+.. module:: ost.mol.mm
+   :synopsis: Wrapper for OpenMM molecular mechanics simulations
+
 .. currentmodule:: ost.mol.mm
 
 Introduction