readme.md in rubrowser-0.1.4 vs readme.md in rubrowser-0.1.5

@@ -14,23 +14,31 @@
 * if you reference a class that is not defined in your project it won't be in the graph, we only display the graph of classes/modules you defined
 * the server analyze your code once upon the script starts if you changed your code you'll have to restart rubrowser
 * it statically analyze the code so meta programming is out of question in here
 * rails associations are meta programming so forget it :smile:
 
-## Usage
+## Installation
 
+
 ```
 gem install rubrowser
-rubrowser /path/to/project/or/file
 ```
 
-or you can just visualize current directory
+## Usage
 
+
 ```
-rubrowser
+Usage: bin/rubrowser [options] [file] ...
+    -p, --port=PORT                  Specify port number for server, default = 9000
+    -v, --version                    Print Rubrowser version
+    -h, --help                       Prints this help
 ```
 
-it'll analyze the project and open port 9000, so you can access the graph from `localhost:9000`
+if you run it without any options
+```
+rubrowser
+```
+it'll analyze the current directory and open port 9000, so you can access the graph from `localhost:9000`
 
 ## Features
 
 * interactive graph, you can pull any node to fix it to some position
 * to release node double click on it