diff --git a/python/Pico_ePaper-2.13_V4.py b/python/Pico_ePaper-2.13_V4.py
index 6e97da7..db0347b 100644
--- a/python/Pico_ePaper-2.13_V4.py
+++ b/python/Pico_ePaper-2.13_V4.py
@@ -1,5 +1,5 @@
 # *****************************************************************************
-# * | File        :   Pico_ePaper-2.13_V3.py
+# * | File        :   Pico_ePaper-2.13_V4.py
 # * | Author      :   Waveshare team
 # * | Function    :   Electronic paper driver
 # * | Info        :
@@ -717,4 +717,4 @@ def sleep(self):
     epd.init()
     epd.Clear()
     epd.delay_ms(2000)
-    epd.sleep()
\ No newline at end of file
+    epd.sleep()