Add brew to installation.

index.html

@@ -125,18 +125,18 @@ <h2 id="installation">Installation &amp; Dependencies</h2>
         <a href="http://sourceforge.net/projects/graphicsmagick/files/">source</a>,
         or use a package manager:
 <pre>
-[aptitude | port] install graphicsmagick</pre>
+[aptitude | port | brew] install graphicsmagick</pre>
       </li>
       <li>
         Install <a href="http://poppler.freedesktop.org/">Poppler</a>.
         On Linux, use <b>aptitude</b>, <b>apt-get</b> or <b>yum</b>:<br />
         <tt>aptitude install poppler-utils</tt><br />
         On the Mac, you can install from source or use <b>MacPorts</b>:<br />
-        <tt>sudo port install poppler</tt><br />
+        <tt>sudo port install poppler | brew install poppler</tt><br />
       </li>
       <li>
         (Optional) Install <a href="http://code.google.com/p/tesseract-ocr/">Tesseract</a>:<br />
-        <tt>[aptitude | port] install tesseract</tt><br />
+        <tt>[aptitude | port | brew] install tesseract</tt><br />
         Without Tesseract installed, you'll still be able to extract text from
         documents, but you won't be able to automatically OCR them.
       </li>