README-en.md edited online with Bitbucket

README-en.md

 
       a. the creation of objects of a class.
 
-      b. using the "getter" methods to access an object's attributes.
+      b. the use of the "getter" methods to access an object's attributes.
 
-      c. using the "setter" methods to modify an object's attributes.
+      c. the use of the "setter" methods to modify an object's attributes.
 
 3. Studied the documentation for the `Bird` class available in [this link](http://ada.uprrp.edu/~ranazario/bird-html/class_bird.html).