Improved README.

README.md

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 A standalone tool to manually verify the integrity of a Safe Exam Browser installation on Windows. This application is intended for use cases like BYOD exams where candidates have complete control over their
 systems and thus could be trying to use a manipulated build of Safe Exam Browser to perform an exam.
 
-You may use the SEB Verificator on a USB flash drive and start it from there under your supervision.
-Alternatively, you could make the tool downloadable on a website in your control and ask the candidate to download and execute the SEB Verificator under your supervision.
+You may use the SEB Verificator on a USB flash drive and start it from there on the exam device under your supervision. Alternatively, you could make the tool downloadable on a website in your control and ask
+the candidate to download and execute the SEB Verificator under your supervision.
 
 ## Requirements