diff --git a/Instrument/CDPP-AMDA/Bepi/MEA1.xml b/Instrument/CDPP-AMDA/Bepi/MEA1.xml
index 59173e2..834e93e 100644
--- a/Instrument/CDPP-AMDA/Bepi/MEA1.xml
+++ b/Instrument/CDPP-AMDA/Bepi/MEA1.xml
@@ -7,15 +7,18 @@
       <ResourceName>MEA1</ResourceName>
       <AlternateName>Mercury Electron Analyzer 1 </AlternateName>
       <ReleaseDate>2017-05-20T21:10:13Z</ReleaseDate>
-      <Description></Description>
+      <Description>The Mercury Electron Analyzers are part of the Mercury Plasma Particle Environment suite onboard the 
+        BepiColombo Mio spacecraft. 
+      
+      The Mercury Electron Analyzers have been developed at IRAP with the support of CNES.</Description>
       <Acknowledgement/>
        <Contact>       
-         <PersonID>spase://SMWG/Person/Yoshifumi.Saito</PersonID> 
+         <PersonID>spase://CNES/Person/Yoshifumi.Saito</PersonID> 
          <Role>PrincipalInvestigator</Role>
        </Contact>   
       <Contact>       
-        <PersonID>spase://CDPP/Person/Nicolas.Andre</PersonID> 
-        <Role>PrincipalInvestigator</Role>
+        <PersonID>spase://CNES/Person/Nicolas.Andre</PersonID> 
+        <Role>CoInvestigator</Role>
       </Contact> 
       <PriorID/>
     </ResourceHeader>
diff --git a/Instrument/CDPP-AMDA/Bepi/MEA2.xml b/Instrument/CDPP-AMDA/Bepi/MEA2.xml
index 29a58d6..cc91ea1 100644
--- a/Instrument/CDPP-AMDA/Bepi/MEA2.xml
+++ b/Instrument/CDPP-AMDA/Bepi/MEA2.xml
@@ -7,15 +7,18 @@
       <ResourceName>MEA2</ResourceName>
       <AlternateName>Mercury Electron Analyzer 2</AlternateName>
       <ReleaseDate>2017-05-20T21:10:13Z</ReleaseDate>
-      <Description></Description>
+      <Description>The Mercury Electron Analyzers are part of the Mercury Plasma Particle Environment suite onboard the 
+        BepiColombo Mio spacecraft. 
+      
+      The Mercury Electron Analyzers have been developed at IRAP with the support of CNES.</Description>
       <Acknowledgement/>
        <Contact>       
-         <PersonID>spase://SMWG/Person/Yoshifumi.Saito</PersonID> 
+         <PersonID>spase://CNES/Person/Yoshifumi.Saito</PersonID> 
          <Role>PrincipalInvestigator</Role>
        </Contact> 
       <Contact>       
-        <PersonID>spase://CDPP/Person/Nicolas.Andres</PersonID> 
-        <Role>PrincipalInvestigator</Role>
+        <PersonID>spase://CNES/Person/Nicolas.Andres</PersonID> 
+        <Role>CoInvestigator</Role>
       </Contact> 
       <PriorID/>
     </ResourceHeader>
diff --git a/NumericalData/CDPP-AMDA/Bepi/MEA1/bepi-mea1-omni16.xml b/NumericalData/CDPP-AMDA/Bepi/MEA1/bepi-mea1-omni16.xml
index 4e3fbca..ed4e8a3 100644
--- a/NumericalData/CDPP-AMDA/Bepi/MEA1/bepi-mea1-omni16.xml
+++ b/NumericalData/CDPP-AMDA/Bepi/MEA1/bepi-mea1-omni16.xml
@@ -7,9 +7,13 @@
       <ResourceName>electron : omni </ResourceName>
       <ReleaseDate>2017-10-15T15:19:00Z</ReleaseDate>
       <Description></Description>
+      <Contact>       
+        <PersonID>spase://CNES/Person/Yoshifumi.Saito</PersonID> 
+        <Role>PrincipalInvestigator</Role>
+      </Contact>  
       <Contact>
         <PersonID>spase://CNES/Person/Nicolas.Andre</PersonID>
-        <Role>PrincipalInvestigator</Role>
+        <Role>CoInvestigator</Role>
       </Contact>
     </ResourceHeader>
     <AccessInformation>
diff --git a/NumericalData/CDPP-AMDA/Bepi/MEA2/bepi-mea2-omni16.xml b/NumericalData/CDPP-AMDA/Bepi/MEA2/bepi-mea2-omni16.xml
index 8992502..a714bee 100644
--- a/NumericalData/CDPP-AMDA/Bepi/MEA2/bepi-mea2-omni16.xml
+++ b/NumericalData/CDPP-AMDA/Bepi/MEA2/bepi-mea2-omni16.xml
@@ -7,9 +7,13 @@
       <ResourceName>electron : omni </ResourceName>
       <ReleaseDate>2017-10-15T15:19:00Z</ReleaseDate>
       <Description></Description>
+      <Contact>       
+        <PersonID>spase://CNES/Person/Yoshifumi.Saito</PersonID> 
+        <Role>PrincipalInvestigator</Role>
+      </Contact>  
       <Contact>
         <PersonID>spase://CNES/Person/Nicolas.Andre</PersonID>
-        <Role>PrincipalInvestigator</Role>
+        <Role>CoInvestigator</Role>
       </Contact>
     </ResourceHeader>
     <AccessInformation>
diff --git a/Person/Yoshifumi.Saito.xml b/Person/Yoshifumi.Saito.xml
index 205ce5f..c562f67 100644
--- a/Person/Yoshifumi.Saito.xml
+++ b/Person/Yoshifumi.Saito.xml
@@ -2,8 +2,7 @@
 <Spase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.spase-group.org/data/schema" xsi:schemaLocation="http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_2_0.xsd">
   <Version>2.2.0</Version>
   <Person>
-    <ResourceID>spase://SMWG/Person/Yoshifumi.Saito</ResourceID>
-    <ReleaseDate>2010-08-05T17:35:48Z</ReleaseDate>
+    <ResourceID>spase://CNES/Person/Yoshifumi.Saito</ResourceID>
     <PersonName>Dr. Yoshifumi Saito</PersonName>
     <OrganizationName>Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency</OrganizationName>
     <Address>3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan</Address>
--
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