diff --git a/src/SMESHDS/SMESHDS_Mesh.cxx b/src/SMESHDS/SMESHDS_Mesh.cxx
index 7511392ab..4328f923e 100644
--- a/src/SMESHDS/SMESHDS_Mesh.cxx
+++ b/src/SMESHDS/SMESHDS_Mesh.cxx
@@ -74,6 +74,8 @@ bool SMESHDS_Mesh::IsEmbeddedMode()
 //================================================================================
 /*!
  * \brief Store ID persistent during lifecycle
+ *
+ * Initially it was used to have a persistent reference to the mesh from the hypothesis
  */
 //================================================================================