diff --git a/INSTALL b/INSTALL
index d69119e7f..26ea8b737 100644
--- a/INSTALL
+++ b/INSTALL
@@ -335,14 +335,14 @@ Then, you need to specify where is the database that contains the
 quarantine. Inside settings.py, add a new connection to the
 DB_CONNECTIONS variable like this::
 
-  DB_CONNECTIONS = (
-    {"amavis_quarantine" : {"driver"   : "mysql",
+  DB_CONNECTIONS = {
+    "amavis_quarantine" : {"driver"   : "mysql",
                             "host"     : "<your_host>",
                             "dbname"   : "<amavis_dbname>",
                             "login"    : "<user>",
                             "password" : "<password>"}
-     }
-    )
+  }
+     
 
 Replace values between <> with yours.
 
@@ -455,9 +455,7 @@ To finish, you need to collect information periodically in order to
 feed rrd files. To do so, just add the following lines into root's
 crontab::
 
-  */5 * * * * PYTHONPATH=<mailng_dir/..> \
-    DJANGO_SETTINGS_MODULE=mailng.settings \
-    <mailng_dir>/extensions/stats/logparser.py
+  */5 * * * * PYTHONPATH=<mailng_dir/..> DJANGO_SETTINGS_MODULE=mailng.settings <mailng_dir>/extensions/stats/logparser.py
 
 Replace mailng_dir with the installation path of MailNG.
 
diff --git a/extensions/amavis_quarantine/cleanup.py b/extensions/amavis_quarantine/cleanup.py
index e1cb531e5..e2b819d08 100755
--- a/extensions/amavis_quarantine/cleanup.py
+++ b/extensions/amavis_quarantine/cleanup.py
@@ -7,14 +7,14 @@ from django.conf import settings
 if __name__ == "__main__":
     conn = db.getconnection("amavis_quarantine")
     try:
-        max_msg_days = getattr(settings, "MAX_MESSAGES_AGE")
+        max_messages_age = getattr(settings, "MAX_MESSAGES_AGE")
     except AttributeError:
         max_messages_age = 14
 
-    print "Deleting messages older than %d days..." % max_msg_days
+    print "Deleting messages older than %d days..." % max_messages_age
     db.execute(conn, """
 DELETE FROM msgs WHERE time_num < UNIX_TIMESTAMP()-%d*24*3600;
-""" % max_msg_days)
+""" % max_messages_age)
 
     print "Deleting unreferenced e-mail addresses..."
     db.execute(conn, """