diff --git a/doc/ceg/ceg.tr b/doc/ceg/ceg.tr
index da65188e7..bf66d58ef 100644
--- a/doc/ceg/ceg.tr
+++ b/doc/ceg/ceg.tr
@@ -1509,6 +1509,9 @@ T}
 extnd_cont( n)#:#T{
 Create another unique label for the C_insertpart mechanism.
 T}
+extnd_main( n)#:#T{
+Create yet another unique label for the C_insertpart mechanism.
+T}
 .TE
 .VS -4
 .IP A6.