README-en.md edited online with Bitbucket

README-en.md

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-### Exercise 1 -Familiarize yourself with the defined functions
+### Exercise 1 - Familiarize yourself with the defined functions
 
 The first step in this laboratory experience is to familiarize yourself with the functions that are already defined in the code. Your tasks require that you imitate what the functions do, for this reason it is important that you understand how to call, declare and define the functions.