diff --git a/Manuals/Tcar-ug/Manuals.ent b/Manuals/Tcar-ug/Manuals.ent
index 8bb6cd7..b159439 100644
--- a/Manuals/Tcar-ug/Manuals.ent
+++ b/Manuals/Tcar-ug/Manuals.ent
@@ -1,6 +1,7 @@
 <!ENTITY manuals                    SYSTEM "Manuals.docbook">
 <!ENTITY manuals-texinfo            SYSTEM "Manuals/Texinfo.docbook">
 <!ENTITY manuals-texinfo-intro      SYSTEM "Manuals/Texinfo/intro.docbook">
+<!ENTITY manuals-texinfo-production SYSTEM "Manuals/Texinfo/production.docbook">
 <!ENTITY manuals-texinfo-structure  SYSTEM "Manuals/Texinfo/structure.docbook">
 <!ENTITY manuals-texinfo-localizing SYSTEM "Manuals/Texinfo/localizing.docbook">
 <!ENTITY manuals-texinfo-templates  SYSTEM "Manuals/Texinfo/templates.docbook">