diff --git a/oled.py b/oled.py
index 5c57a6e..9def635 100644
--- a/oled.py
+++ b/oled.py
@@ -9,6 +9,6 @@ serial = i2c(port=1, address=0x3C)
 device = ssd1306(serial)
 
 with canvas(device) as draw:
-    #draw.rectangle(device.bounding_box, outline="white", fill="black")
+    draw.rectangle(device.bounding_box, outline="white", fill="black")
     draw.text((30, 0), "Hello World", fill="white")
-    time.sleep(10)
+time.sleep(10)