diff --git a/NOTES_ON_OPTICAL_PRINTER_TECHNIQUE.md b/NOTES_ON_OPTICAL_PRINTER_TECHNIQUE.md
index bebf369..8280dd9 100644
--- a/NOTES_ON_OPTICAL_PRINTER_TECHNIQUE.md
+++ b/NOTES_ON_OPTICAL_PRINTER_TECHNIQUE.md
@@ -60,6 +60,8 @@ date: "March 1983"
 DENNIS COUZIN
 
 March 1983
+
+(Reproduced July 2022)
 \end{center}
 
 An optical printer is a device for photographing the frames of one film so as to make another film.