README-en.md edited online with Bitbucket

README-en.md

 
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-##Laboratory session
+##Laboratory session:
 
-###Exercise 1: Understand the Data Files and the Provided Code 
+###Exercise 1 - Understand the Data Files and the Provided Code 
 
 ####Instructions
 
 
 In the provided code, notice that the data in the arrays `histoNames` and `histoValues` were assigned directly in their declarations. For the provided files, your program should compute the frequency of occurrence of the leading digits and then display their histogram by using the `histo` method.  
 
-###Exercise 2: Implement a program to detect bogus data in the data files
+###Exercise 2 - Implement a program to detect bogus data in the data files
 
 ####Instructions