README.textile in fastimage-1.7.0 vs README.textile in fastimage-1.8.0

@@ -32,10 +32,12 @@
 
 FastImage normally replies will nil if it encounters an error, but you can pass :raise_on_failure => true to get an exception.
 
 FastImage also provides a reader for the content length header provided in HTTP. This may be useful to assess the file size of an image, but do not rely on it exclusively - it will not be present in chunked responses for instance.
 
+FastImage accepts additional HTTP headers. This can be used to set a user agent or referrer which some servers require. Pass an :http_header argument to specify headers, e.g., :http_header => {'User-Agent' => 'Fake Browser'}.
+
 h2. Security
 
 As of v1.6.7 FastImage no longer uses openuri to open files, but directly calls File.open. But take care to sanitise the strings passed to FastImage; it will try to read from whatever is passed.
 
 h2. Examples
@@ -53,10 +55,12 @@
 => FastImage::ImageFetchFailure: FastImage::ImageFetchFailure
 FastImage.size("http://upload.wikimedia.org/wikipedia/commons/b/b4/Mardin_1350660_1350692_33_images.jpg", :raise_on_failure=>true, :timeout=>2.0)
 => [9545, 6623]
 FastImage.new("http://stephensykes.com/images/pngimage").content_length
 => 432
+FastImage.size("http://stephensykes.com/images/ss.com_x.gif", :http_header => {'User-Agent' => 'Fake Browser'})
+=> [266, 56]
 </code></pre>
 
 h2. Installation
 
 h4. Gem
@@ -64,9 +68,11 @@
 bc. gem install fastimage
 
 h4. Rails
 
 Add fastimage to your Gemfile, and bundle.
+
+bc. gem 'fastimage'
 
 Then you're off - just use @FastImage.size()@ and @FastImage.type()@ in your code as in the examples.
 
 h2. Documentation