update docs

.env.example

@@ -1,13 +1,18 @@
 USERNAME=
 PASSWORD=
 TOTP_SEED=
-
-ACCOUNT_NUMBER=
+## username, password and totp_seed is not unused for now, please use cookie instead
 
 #Cookie
 QL_0=
 IBSID=
 
+ACCOUNT_NUMBER=
+
 APP_DEBUG=true
-TIME_DIFF_LIMIT=1
-SLEEP=45
+
+## This valu is for time difference between request json and actual time of the transacation (+ or -) in mins, 5 or 10 is probably a good value
+TIME_DIFF_LIMIT=7
+
+## Sleep is the delay between keepalive request for extending sesssion, somewhere between 30 and 150 should be ok
+SLEEP=45