diff --git a/download_server.py b/download_server.py
index 3da632d43b3ee28cd268c9c2015b5662a7800949..05de19430e701b301427d5307a73ea25b0835e9b 100644
--- a/download_server.py
+++ b/download_server.py
@@ -13,11 +13,11 @@ os.chdir("/mnt/usb/bleezrdata")
 t = time()
 while True :
     tt = time()
-    if tt - t > 5. :
+    if tt - t > 3600. :
         
         print("actualisation ...")
-        os.system("echo actualisation ...")
-
+        os.system('sudo echo "\n la dernière actualisation date de : " >> history.txt')
+        os.system('date >> history.txt')
         t = tt
         with open("playlists.json",'r') as f :