README.md in pivotal-github-0.5.2 vs README.md in pivotal-github-0.5.3

@@ -112,9 +112,16 @@
 		    -d, --development BRANCH         development branch (defaults to master)
 		    -h, --help                       this usage guide
 
 Additionally, `git story-merge` accepts any options valid for `git merge`.
 
+### story-open
+
+The `story-open` command (*note*: no `git`) opens the current story in the default browser (OS X–only):
+
+    $ story-open
+
+
 ## Configuration
 
 In order to use the `pivotal-github` gem, you need to configure a [post-receive hook for Pivotal Tracker at GitHub](https://www.pivotaltracker.com/help/api?version=v3#github_hooks) for your repository. (To find your Pivotal Tracker API token, go to your user profile and scroll to the bottom.) 
 
 The `pivotal-github` command names follow the Git convention of being verbose (e.g., unlike Subversion, Git doesn't natively support `co` for `checkout`), but I recommend setting up aliases as necessary. Here are some suggestions: