Meta data update for corpus indexing
diff --git a/t/artificial/header.xml b/t/artificial/header.xml
index aca265d..950e202 100644
--- a/t/artificial/header.xml
+++ b/t/artificial/header.xml
@@ -4,7 +4,7 @@
 <idsHeader type="text" pattern="text" status="new" version="1.1" TEIform="teiHeader">
   <fileDesc>
     <titleStmt>
-      <textSigle>ART/0001</textSigle>
+      <textSigle>ART/ABC.0001</textSigle>
       <t.title assemblage="regular"/>
     </titleStmt>
     <publicationStmt>