Update readme

README.md

@@ -245,18 +245,18 @@ and optional `enabled_by_default`, `requires_output` and `priority` variables.
 Simple example of the rule for running script with `sudo`:
 
 ```python
-def match(command, settings):
+def match(command):
     return ('permission denied' in command.stderr.lower()
             or 'EACCES' in command.stderr)
 
 
-def get_new_command(command, settings):
+def get_new_command(command):
     return 'sudo {}'.format(command.script)
 
 # Optional:
 enabled_by_default = True
 
-def side_effect(command, settings):
+def side_effect(command, fixed_command):
     subprocess.call('chmod 777 .', shell=True)
 
 priority = 1000  # Lower first, default is 1000