diff --git a/reference/SDL2Uword/SDL2Uword.upp b/reference/SDL2Uword/SDL2Uword.upp
index 9dcb55f08..01a9dd42b 100644
--- a/reference/SDL2Uword/SDL2Uword.upp
+++ b/reference/SDL2Uword/SDL2Uword.upp
@@ -1,3 +1,5 @@
+description "VirtualGui/SDL2GL demonstration\377";
+
 uses
 	CtrlLib,
 	RichEdit,