Documenting that some code was borrowed from Phantom.js

README.md

@@ -37,6 +37,8 @@ About
 
 The capybara WebKit driver was written by Joe Ferris, Tristan Dunn, and Jason Morrison from [thoughtbot, inc](http://thoughtbot.com/community).
 
+Code for rendering the current webpage to a PNG is borrowed from Phantom.js' implementation.
+
 ![thoughtbot](http://thoughtbot.com/images/tm/logo.png)
 
 The names and logos for thoughtbot are trademarks of thoughtbot, inc.

src/WebPage.cpp

@@ -106,12 +106,6 @@ QString WebPage::failureString() {
   return QString("Unable to load URL: ") + currentFrame()->requestedUrl().toString();
 }
 
-/*
- * Swiped from Phantom.js, but removed code for rendering to PDFs and GIFs
- *
- * Takes a QString of the file path to save the image to
- * Returns true if it was able to save the file
- */
 bool WebPage::render(const QString &fileName) {
   QFileInfo fileInfo(fileName);
   QDir dir;