'README.md' updaten

README.md

@@ -88,18 +88,10 @@ Then you can configure your environment.
 You can do this by passing the values on the command-line before running octomode:
 
 ```
-export OCTOMODE_PAD_API_KEY=...
-```
-
-Or you save the configuration variables in a file called `config.py`:
-
-```
-class Config(object):
-	APPLICATION_ROOT = '/'
-	PORTNUMBER = 5001
-	PAD_URL = 'https://pad.vvvvvvaria.org/' # with a slash in the end!
-	PAD_API_URL = 'https://pad.vvvvvvaria.org/api/1.2.15/'
-	PAD_API_KEY = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
+export OCTOMODE_PORTNUMBER=XXX
+export OCTOMODE_PAD_URL=XXX
+export OCTOMODE_PAD_API_URL=XXX
+export OCTOMODE_PAD_API_KEY=XXX
 ```
 
 - **OCTOMODE_PORTNUMBER**: optional, default: `5001`