README-en.md edited online with Bitbucket

README-en.md

 2. Configure the project. In this laboratory experience you will be working with the files `ethernet_hdr.h`, `ethernet_packet.h`, `ethernet_packet.cpp`, `ip_packet.h` and `ip_packet.cpp`.
 
 
-### Exercise 2 - Complete the Class ethernet_packet
+### Exercise 2 - Complete the Class `ethernet_packet`
 
 1. Study the file `ethernet_hdr.h`. This file contains the definition of the data structure that represents an Ethernet header.:
 
 
 4. Your task in this exercise is to implement the seven functions listed above in the file `ethetnet_packet.cpp`.  The headers of some of the functions are provided in the file.
 
-### Exercise 3 - Build the Header of the Class ip_packet  
+### Exercise 3 - Build the Header of the Class `ip_packet`  
 
 1. Study the definitions of the functions of the class `ip_packet` found in file `ip_packet.cpp`