diff --git a/config/general.ini.sample b/config/general.ini.sample
index 9ceb011..dbb9074 100644
--- a/config/general.ini.sample
+++ b/config/general.ini.sample
@@ -1,71 +1,71 @@
 ; The values after the ; are the default values, uncomment them only if you
 ; want to make changes
 
 [server]
 ; host = 0.0.0.0
 ; port = 8400
 
 ; The file containing X.509 certificate and private key in unencrypted format
 ; If a certificate is set, the server will listen using TLS
 ; tls_certificate = ''
 
 ; by default the server will respond to the client after the outgoing
 ; request for the push notification is completed.  If false, the server will
 ; reply imediately with 202.  The result of the push notification can then
 ; be found only in the logs.  This is designed for client that can block and
 ; cannot or do not want to wait for the push operation to be completed
 ; return_async = true
 
 ; by default any client is allowed to send requests to the server
 ; IP addresses and networks in CIDR notation are supported
 ; e.g: 10.10.10.0/24, 127.0.0.1, 192.168.1.2
-; allowed_hosts = [] 
+; allowed_hosts = []
 
 ; by default logs go to the journal; uncomment below to also log to a file
 ; log_to_file = true
 ; log_file = /var/log/sylk-pushserver/push.log
 
 ; Base directory for files created by the token storage
 ; spool_dir = /var/spool/sylk-pushserver
 
 ; If debug is true, headers and payloads for the outgoing requests will also
 ; be logged
 ; debug = False
 
 ; Turn on Hpack debugging for Apple connections, normal debug needs to be also
 ; enabled
 ; debug_hpack = False
 
 [applications]
 ; paths are relative to the config directory, by default /etc/sylk-pushserver
 ; and if missing ./config from the curent directory
 
 ; mobile applications are configured in this file 
 ; config_file = applications.ini
 
 ; credentials relative paths are relative to this directory
 ; credentials_folder = credentials
 
 ; more applications can be added to this directory
 ; extra_applications_dir = applications/
 
 ; more pns can be added to this directory
 ; extra_pns_dir = pns/
 
 
 [Cassandra]
 ; configuration for token storage to use a Cassandra cluster
 ; if nothing is set here it will use a pickle file to store the tokens if
 ; API version 2 is used
 
 ; Contact points to cassandra cluster
 ; cluster_contact_points =
 
 ; Keyspace to use to retrieve tokens
 ; keyspace =
 
 ; Table to use to store tokens, default it will use push_tokens
 ; table =
 
 ; Debug cassandra
 ; debug = false