README.md in secret_env-0.5.0 vs README.md in secret_env-0.6.0

@@ -63,9 +63,13 @@
 # config/secret_env.local
 foo=1
 bar=2
 ```
 
+## CLI
+
+    $ secret_env config/secret_env.yml production your_command --option
+
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/adorechic/secret_env.