diff --git a/Observatory/AMDA/SolO.xml b/Observatory/AMDA/SolO.xml
index 3f36764..2d555ab 100644
--- a/Observatory/AMDA/SolO.xml
+++ b/Observatory/AMDA/SolO.xml
@@ -10,7 +10,7 @@
       <Description> Solar Orbiter is a planned Sun-observing satellite, under development by the European Space Agency. The mission will be launched with an Atlas 
         V from the Cape Canaveral AFS in Florida in February 2020.</Description>
       <Contact>     
-        <PersonID>spase://CDPP/Person/Daniel.Müller</PersonID>
+        <PersonID>spase://CDPP/Person/Daniel.Muller</PersonID>
         <Role>ProjectScientist</Role>
       </Contact> 
       <InformationURL>
--
libgit2 0.21.2