diff --git a/cemosis/modules/ROOT/nav.adoc b/cemosis/modules/ROOT/nav.adoc
index d9cbd4b..15f1981 100644
--- a/cemosis/modules/ROOT/nav.adoc
+++ b/cemosis/modules/ROOT/nav.adoc
@@ -1,7 +1,6 @@
-* Engineering
-** xref:ibat:ROOT:index.adoc[IBat]
-** xref:msqab:ROOT:index.adoc[MSQAB]
-** xref:holo3:ROOT:index.adoc[Holo3]
+* Environment
+** xref:ibat:ROOT:index.adoc[Thermal Modeling and Simulation of Buildings]
+** xref:msqab:ROOT:index.adoc[Modeling and Simulation of Air Quality in Bamako]
 * Health
 ** xref:eye2brain:ROOT:index.adoc[Eye2brain]
 ** xref:hemotumpp:ROOT:index.adoc[HemoTum++]
@@ -9,6 +8,7 @@
 * Physics
 ** xref:hifimagnet:ROOT:index.adoc[Hifimagnet]
 ** xref:mqs:ROOT:index.adoc[MQS]
+** xref:holo3:ROOT:index.adoc[Holo3]
 * Internships
 ** Rapports 2020
 *** xref:feelpp-cfd:ROOT:index.adoc[Feel++ CFD]
diff --git a/cemosis/modules/ROOT/pages/index.adoc b/cemosis/modules/ROOT/pages/index.adoc
index 2ff550a..96a9302 100644
--- a/cemosis/modules/ROOT/pages/index.adoc
+++ b/cemosis/modules/ROOT/pages/index.adoc
@@ -11,7 +11,7 @@ Welcome to {cemosis} documentation! {cemosis} is a technological platform in mat
 |=== 
 2+^| Environment
 ^.^| xref:ibat:ROOT:index.adoc[image:ibat/main.jpg[width=200]] ^.^| xref:msqab:ROOT:index.adoc[image:msqab/main.jpg[width=200]]
-| 4Fastsim IBat. A Collaboration with Synapse Concept | Modeling and Simulation of Air Quality in Bamako. A collaboration with U. Bamako(Mali)
+| 4Fastsim IBat. Thermal Modeling and Simulation of Buildings. A Collaboration with Synapse Concept | MSQAB. Modeling and Simulation of Air Quality in Bamako. A collaboration with U. Bamako(Mali)
 |===
 
 [%header]
@@ -126,11 +126,3 @@ If you have several pseudo-codes in a page e.g. `code1, code2, code3`, you have
 ----
 ====
 
-
-== Contact Us
-
-Development at {cemosis}  is led by https://github.com/prudhomm[Christophe Prud'homme] and https://github.com/vincentchabannes[Vincent Chabannes].
-
-
-{cemosis} was initiated in 2013 by https://github.com/prudhomm[Christophe Prud'homme].
-