diff --git a/Manuals/Tcar-ug/Licenses/gpl.docbook b/Manuals/Tcar-ug/Licenses/gpl.docbook
index 0990730..71654af 100644
--- a/Manuals/Tcar-ug/Licenses/gpl.docbook
+++ b/Manuals/Tcar-ug/Licenses/gpl.docbook
@@ -1,4 +1,4 @@
-<appendix id="licenses-gpl" xreflabel="GNU General Public License"> 
+<appendix id="licenses-gpl">
 
     <title>GNU General Public License</title>