Update README.md

Author: mangosango

README.md

@@ -14,10 +14,10 @@ Based on [this script for windows](http://www.neogaf.com/forum/showpost.php?p=10
 * If you haven't installed XCode's command line tools, run **install_tools.command**, or if you want to update manually, just open terminal and run `xcode-select --install`
 * Run **install_ffmpeg.command** to install ffmpeg and dependencies.
 
-###Usage (quick drag and drop):
+##### Usage (quick drag and drop):
 * Drag the drag a video on **WebMConvert** app icon. Perfect for posting to GAF :D
 
-###Usage (full settings):
+##### Usage (full settings):
 * Move **WebM.command** to the same folder as the video you wish to convert.
 * Copy the name of the video you wish to convert (including the extension)
 * Run **WebM.command** and follow the directions as prompted.