diff --git a/Observatory/AMDA/Cluster2.xml b/Observatory/AMDA/Cluster2.xml
index 4734cc4..fd93321 100644
--- a/Observatory/AMDA/Cluster2.xml
+++ b/Observatory/AMDA/Cluster2.xml
@@ -5,10 +5,10 @@
     <ResourceID>spase://CDPP/Observatory/AMDA/Cluster2</ResourceID>
     <ResourceHeader>
       <ResourceName>Cluster 2</ResourceName>
+      <AlternateName>Salsa</AlternateName>
       <AlternateName>Cluster 2/FM6 (Salsa)</AlternateName>
       <AlternateName>2000-041B</AlternateName>
-      <AlternateName>FM6</AlternateName>
-      <AlternateName>Salsa</AlternateName>
+      <AlternateName>FM6</AlternateName>    
       <AlternateName>Cluster FM6 (Salsa)</AlternateName>
       <ReleaseDate>2016-10-16T20:49:00Z</ReleaseDate>
       <Description>
diff --git a/Observatory/AMDA/Cluster3.xml b/Observatory/AMDA/Cluster3.xml
index fc5fdf8..06726e1 100644
--- a/Observatory/AMDA/Cluster3.xml
+++ b/Observatory/AMDA/Cluster3.xml
@@ -5,10 +5,10 @@
     <ResourceID>spase://CDPP/Observatory/AMDA/Cluster3</ResourceID>
     <ResourceHeader>
       <ResourceName>Cluster 3</ResourceName>
+      <AlternateName>Samba</AlternateName>
       <AlternateName>Cluster 2/FM7 (Samba)</AlternateName>
       <AlternateName>2000-041A</AlternateName>
       <AlternateName>FM7</AlternateName>
-      <AlternateName>Samba</AlternateName>
       <AlternateName>Cluster FM7 (Samba)</AlternateName>
       <ReleaseDate>2016-10-04T15:23:52Z</ReleaseDate>
       <Description>
diff --git a/Observatory/AMDA/Cluster4.xml b/Observatory/AMDA/Cluster4.xml
index 9c9bcb0..ef50e32 100644
--- a/Observatory/AMDA/Cluster4.xml
+++ b/Observatory/AMDA/Cluster4.xml
@@ -5,20 +5,20 @@
     <ResourceID>spase://CDPP/Observatory/AMDA/Cluster4</ResourceID>
     <ResourceHeader>
       <ResourceName>Cluster 4</ResourceName>
+       <AlternateName>Tango</AlternateName>
       <AlternateName>Cluster 2/FM8 (Tango)</AlternateName>
       <AlternateName>2000-045B</AlternateName>
       <AlternateName>Cluster FM8 (Tango)</AlternateName>
-      <AlternateName>Tango</AlternateName>
       <AlternateName>FM8</AlternateName>
       <ReleaseDate>2016-10-16T20:49:04Z</ReleaseDate>
       <Description>
         Cluster II is part of an international collaboration to investigate the physical connection between the Sun and Earth. Flying in a tetrahedral (triangular pyramid) formation, the four spacecraft collect the most detailed data yet on small-scale changes in near-Earth space and the interaction between the charged particles of the solar wind and Earth's atmosphere. This enables scientists to build a three-dimensional model of the magnetosphere and to better understand the processes taking place inside it.
       </Description>
+       <Acknowledgement>C. Philippe Escoubet (ESA Project Scientist)</Acknowledgement>
       <Contact>
         <PersonID>spase://SMWG/Person/Christophe.Philippe.Escoubet</PersonID>
         <Role>ProjectScientist</Role>
-      </Contact>
-      <Acknowledgement>C. Philippe Escoubet (ESA Project Scientist)</Acknowledgement>
+      </Contact>     
       <InformationURL>
         <Name>Fact Sheet of the Cluster mission</Name>
         <URL>http://sci.esa.int/jump.cfm?oid=47348</URL>
--
libgit2 0.21.2