Update readme.md

Nils Langner · Nils Langner · commit 42f6e102962a · 2014-03-24T13:14:08.000+01:00
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 # VisualCeption
 Visual regression tests integrated in [Codeception](http://codeception.com/).
 
-This module can be used to compare screenshots of a website element. 
+This module can be used to compare current representation of a website element with an expeted. 
 
 
 ## How it works
