updated description

index.html

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 <p>
   NaoMod, the Nantes Software Modeling Group (formerly known
-  as <a href="http://web.emn.fr/x-info/atlanmod/index.php?title=Main_Page">AtlanMod</a>),
-  is a joint <a href="https://www.imt-atlantique.fr/fr/l-ecole/departements-d-enseignement-recherche/dapi/recherche">IMT Atlantique</a> and <a href="https://www.ls2n.fr/equipe/naomod/?lang=en">LS2N</a> research team resulting from a long-time
-  specialization and research expertise on MDE (Model Driven Engineering) in the
-  area of Nantes-France since 1990 (e.g. leading to the creation of the MODELS
+  as AtlanMod),
+  is a <a href="https://www.ls2n.fr/equipe/naomod/?lang=en">LS2N</a> research team (with members from <a href="https://www.imt-atlantique.fr/fr/l-ecole/departements-d-enseignement-recherche/dapi/recherche">IMT Atlantique</a> and <a href="https://www.univ-nantes.fr/">Nantes Université</a>) resulting from a long-time
+  research expertise on MDE (Model-Driven Engineering) in the
+  area of Nantes-France since 1990 (e.g., leading to the creation of the MODELS
   and ICMT conference series).
 </p>