README.md in rack-revision-1.0.0 vs README.md in rack-revision-1.0.1

@@ -9,29 +9,45 @@
 
 ```
 gem install rack-revision
 ```
 
+Or install with bundler:
+
+```
+gem 'rack-revision'
+```
+
+And run `bundle install`
+
 ## Usage
 
 Rack::Revision is implemented as a piece of Rack middleware and can be used with
-any Rack-based application. If you have a `configu.ru` rackup file you can 
-drop the following:
+any Rack-based application. If you have a `config.ru` rackup file you can 
+drop the following snippet (for sinatra app):
 
 ```ruby
 require 'rack/revision'
 
+# Basic example
 use Rack::Revision
 
-run YourApp
+# With custom revision header
+use Rack::Revision, :header => 'X-CODE-VERSION'
+
+# With custom filename and default value
+use Rack::Revision, :filename => '.version', :default => 'n/a'
+
+run Sinatra::Application
 ```
 
-Configuration options:
+Available options:
 
-- `:header` - Set a custom revision header. Default: `X-Revision`
-- `:filename` - Set a filename with revision data. Default: `REVISION`
-- `:default` - Override default `UNDEFINED` revision value
+- `:header`   - Sets a custom revision header. Default: `X-Revision`
+- `:filename` - Sets a filename with revision data. Default: `REVISION`
+- `:default`  - Sets a revision value if file does not exist. Default: UNDEFINED
+- `:rack_env` - Sets a revision value to Rack's `env` hash. Default: `env['rack.app_revision']`
 
 ## Test
 
 Execute test suite:
 
@@ -45,6 +61,6 @@
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.