diff --git a/Code/thermal_printer/README.md b/Code/thermal_printer/README.md
index 274e1f8..573a332 100644
--- a/Code/thermal_printer/README.md
+++ b/Code/thermal_printer/README.md
@@ -73,7 +73,7 @@ echo -en "\x1b\x21\x0" > /tmp/DEVTERM_PRINTER_IN
 then
 
 ```
-echo "日月火水木金土" > /tmp/DEVTERM_PRINTER_IN
+echo "日月火水木金土 ΕΙΝΑΙ Ο ΘΕΟΣ ΓΕΩΜΕΤΡΗΣ" > /tmp/DEVTERM_PRINTER_IN
 ```
 to print unicode characters