diff --git a/compiler/msg/errore.msg b/compiler/msg/errore.msg
index 9414a02c72..7465e5c73f 100644
--- a/compiler/msg/errore.msg
+++ b/compiler/msg/errore.msg
@@ -53,7 +53,7 @@
 #
 # General
 #
-# 01026 is the last used one
+# 01027 is the last used one
 #
 # BeginOfTeX
 % \section{General compiler messages}
@@ -138,6 +138,10 @@ general_f_oserror=01025_F_Operating system error: $1
 % During compilation an operating system error happened which allows no further compilation.
 general_e_exception_raised=01026_E_Compilation raised exception internally
 % Compilation was aborted, due to an exception generation.
+general_t_unitscope=01027_T_Using unit scope: $1
+% When the \var{-vt} switch is used, this line tells you what unit scopes (namespaces)
+% the compiler is using when looking up units. You can add a unit scope with the
+% \var{-FN} option.
 % \end{description}
 #
 # Scanner