update docs on jsfmtrc usage

Author: brettlangdon

README.md

@@ -48,11 +48,18 @@ Any of the [esformatter](https://github.com/millermedeiros/esformatter) formatti
 options can be overwritten via a `.jsfmtrc` file. The file is parsed using
 [rc](https://github.com/dominictarr/rc), which accepts either a `json` or `ini` formatted file.
 
+A `.jsfmtrc` will be read if it exists in any of the following directories
+* a local .jsfmtrc or the first found looking in ./ ../ ../../ ../../../ etc.
+* $HOME/.jsfmtrc
+* $HOME/.jsfmt/config
+* $HOME/.config/jsfmt
+* $HOME/.config/jsfmt/config
+* /etc/jsfmtrc
+* /etc/jsfmt/config
+
 `jsfmt` will also attempt to pickup and use the configured `indent`
 variable from your `.jshintrc` configuration file, if present.
 
-A config file can be manually specified using `--config config.json`.
-
 Rewriting
 ---