diff --git a/lh-presentation/beamerthemelh-presentation.sty b/lh-presentation/beamerthemelh-presentation.sty
index fb5869b..9013ad8 100644
--- a/lh-presentation/beamerthemelh-presentation.sty
+++ b/lh-presentation/beamerthemelh-presentation.sty
@@ -118,7 +118,10 @@
   \or% confidential
     CONFIDENTIAL.
   \or% internal
-    INTERNAL.
+    classified ``\emph{\lh@internal}'' and only available to members of the Software
+    Assurance \& Security Research Team at The University of
+    Sheffield. Disclosure to third parties only after a
+    confidentiality agreement has been signed.
   \or% customer
     CUSTOMER.
     \or% public CC BY NC ND