diff --git a/Documentation/Models/Docbook/Tcar-ug/Repository/Convenctions/mission.docbook b/Documentation/Models/Docbook/Tcar-ug/Repository/Convenctions/mission.docbook
index d4a2c95..32c6a9d 100755
--- a/Documentation/Models/Docbook/Tcar-ug/Repository/Convenctions/mission.docbook
+++ b/Documentation/Models/Docbook/Tcar-ug/Repository/Convenctions/mission.docbook
@@ -1,4 +1,4 @@
-<sect1 id="repo-convs-mission">
+<section id="repo-convs-mission">
 
     <title>Repository Mission</title>
 
@@ -6,4 +6,4 @@
         &TCAR; exists to produce &TCP; corporate visual identity.
     </para>
         
-</sect1>
+</section>