README.md in secure_headers-2.0.0.pre2 vs README.md in secure_headers-2.0.0

@@ -7,40 +7,14 @@
 - X-XSS-Protection - [Cross site scripting heuristic filter for IE/Chrome](http://msdn.microsoft.com/en-us/library/dd565647\(v=vs.85\).aspx)
 - X-Content-Type-Options - [Prevent content type sniffing](http://msdn.microsoft.com/en-us/library/ie/gg622941\(v=vs.85\).aspx)
 - X-Download-Options - [Prevent file downloads opening](http://msdn.microsoft.com/en-us/library/ie/jj542450(v=vs.85).aspx)
 - X-Permitted-Cross-Domain-Policies - [Restrict Adobe Flash Player's access to data](https://www.adobe.com/devnet/adobe-media-server/articles/cross-domain-xml-for-streaming.html)
 
-This gem has integration with Rails, but works for any Ruby code. See the sinatra example section.
-
-## Installation
-
-Add to your Gemfile
-
-```ruby
-gem 'secure_headers'
-```
-
-And then execute:
-
-```console
-$ bundle
-```
-
-Or install it yourself as:
-
-```console
-$ gem install secure_headers
-```
-
 ## Usage
 
-Functionality provided
+- `ensure_security_headers` in a controller will set security-related headers automatically based on the configuration below.
 
-- `ensure_security_headers`: will set security-related headers automatically based on the configuration below.
-
-By default, it will set all of the headers listed in the options section below unless specified.
-
 ### Disabling
 
 Use the standard `skip_before_filter :filter_name, options` mechanism. e.g. `skip_before_filter :set_csp_header, :only => :tinymce_page`
 
 The following methods are going to be called, unless they are provided in a `skip_before_filter` block.
@@ -115,13 +89,9 @@
 :x_download_options => {:value => 'noopen'}
 :x_permitted_cross_domain_policies => {:value => 'none'}
 ```
 
 ### Content Security Policy (CSP)
-
-All browsers will receive the webkit csp header except Firefox, which gets its own header.
-See [WebKit specification](http://www.w3.org/TR/CSP/)
-and [Mozilla CSP specification](https://wiki.mozilla.org/Security/CSP/Specification)
 
 ```ruby
 :csp => {
   :enforce     => false,        # sets header to report-only, by default
   # default_src is required!