added download option and w3 css3 hints to documentation

README.markdown

@@ -9,10 +9,10 @@ Installation
 
 *If your are using git and manages your vendors as submodules, use the following commands to add this bundle to your Symfony project.*
 
-Copy the SpraedPDFGeneratorBundle into the `vendor/bundles/Spraed/PDFGeneratorBundle` directory: 
+Copy the SpraedPDFGeneratorBundle into the `vendor/bundles/Spraed/PDFGeneratorBundle` directory:
 
     git submodule add https://github.com/stedekay/SpraedPDFGeneratorBundle.git vendor/bundles/Spraed/PDFGeneratorBundle
-    
+
 Or use deps file:
 
     [SpraedPDFGeneratorBundle]
@@ -41,10 +41,15 @@ Usage
 There is a service registered in the services.yml to generate pdf files.
 Just call the PDF generator from the service class and call the generatePDF()-method
 with the XHTML and the url of the PDF:
-	
+
 	$html = $this->renderView('AcmeDemoBundle:Default:index.html.twig');
 	$pdfGenerator = $this->get('spraed.pdf.generator');
-	$pdfGenerator->generatePDF($html, 'out.pdf');
 
+Also you are able to set an download option (true/false), standard is false
+
+	$pdfGenerator->generatePDF($html, 'out.pdf', true);
+
+To define proper print css you might want to read into the w3.org's hints on that
+[w3.org]: http://www.w3.org/TR/css3-page/
 [flyingsaucer]: http://code.google.com/p/flying-saucer/
 [spraed]: http://www.spraed.com