README.md in pingdom-cli-0.1.0 vs README.md in pingdom-cli-0.2.0

@@ -14,9 +14,19 @@
 
 ### unpause checks
 
     $ pingdom-cli unpause
 
+## Settings
+
+create $HOME/.pingdomrc
+
+```yaml
+user: '[e-mail]'
+password: 'hogehoge'
+app_key: '123456hogehogehogehogehogehogehogehogehogehoge'
+```
+
 ## Installation
 
 Add this line to your application's Gemfile:
 
     gem 'pingdom-cli'