Added screenshot for docs.

Author: devdrops

docs.md

@@ -14,3 +14,5 @@ A basic CLI (Command Line Interface) tool to verify if your PHP classes have Doc
 
 1. Once everything is correctly installed, run `php phpdoccheck -d /full/path/to/your/selection/`. **Remember** that the *-d* flag is required!
 2. Then, check the input to fix any fail.
+
+![PhpDocblockChecker](https://40.media.tumblr.com/568010530bd0c9fcd18007fcc5c77eca/tumblr_ni8w2kA12d1qjtycto1_1280.png)