Updates README-en.md

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README-en.md

 
 1. Reviewed the following concepts related to decision structures:
   
-      a. Logical operators
+    a. Logical operators
 
-      b. `if`, `else`, `else if`.
+    b. `if`, `else`, `else if`.
 
 2. Reviewed the following concepts related to objects and classes in C++:
 
-      a. the creation of objects of a class.
+    a. the creation of objects of a class.
 
-      b. using the "getter" methods to access an object's attributes.
+    b. using the "getter" methods to access an object's attributes.
 
-      c. using the "setter" methods to modify an object's attributes.
+    c. using the "setter" methods to modify an object's attributes.
 
 3. Studied the documentation for the `Bird` class available in [this link](doc/en/html/index.html).
 
 
 ---
 
-```
-  class ClassName
-   {
-    // Declarations
-
-    private:
-      // Declaration of variables or attributes
-      // and prototype member functions
-      // that are private for this class
-
-      type privateVar
-      type nameOfPrivateMemFunc(type of the parameters);
-
-    public:
-      // Declarations of attributes
-      // and prototypes of method functions
-      // that are public for the entire program
-
-      type publicVar;
-      type nameOfPublicMemFunc(type of the parameters);
-   };
+```cpp
+class ClassName {
+  // Declarations
+
+private:
+  // Declaration of variables or attributes
+  // and prototype member functions
+  // that are private for this class
+
+   type privateVar
+   type nameOfPrivateMemFunc(type of the parameters);
+
+public:
+  // Declarations of attributes
+  // and prototypes of method functions
+  // that are public for the entire program
+
+   type publicVar;
+   type nameOfPublicMemFunc(type of the parameters);
+};
 ```
 ---
 
 ---
 
 
-```
-class Bird : public QWidget
-{
+```cpp
+class Bird : public QWidget {
 .
 .
 .
 
 You can see the method's declarations in Figure 1 and in the `Bird` class declaration in `bird.h`, and the implementation of the some of the methods in `bird.cpp`. The code in the following example creates the object `bobo` of the `Bird` class and then changes its size to 333.
 
-```
+```cpp
 Bird bobo;
 bobo.setSize(333);
 ```
 
 You can see the declarations of the methods in Figure 1 and  in the `Bird` class declaration in `bird.h`, and the implementations of some of the methods in `bird.cpp`. The code in the following example creates the object `piolin` of the `Bird` class and prints its size:
 
-```
+```cpp
 Bird piolin;
 cout << piolin.getSize();
 ```
 
 that will add to the screen a drawing of an object of the `Bird` class that is received as an argument. The code in the following example creates an object `w` of the `MainWindow` class, creates an object `zumbador` of the `Bird` class and adds it in the position (200,200) on the screen `w` using the first method.
 
-```
+```cpp
 MainWindow w;
 Bird zumbador;
 w.addBird(200,200,zumbador);
 
 1. Load the project  `BirthOfABird` into `QtCreator`. There are two ways to do this:
 
-       * Using the virtual machine: Double click the file `BirthOfABird.pro` located in the folder `/home/eip/labs/selections-birthofabird` of your virtual machine.
-       * Downloading the project’s folder from `Bitbucket`: Use a terminal and write the command `git clone http:/bitbucket.org/eip-uprrp/selections-birthofabird` to download the folder `selections-birthofabird` from `Bitbucket`. Double click the file `BirthOfABird.pro` located in the folder that you downloaded to your computer.
+    * Using the virtual machine: Double click the file `BirthOfABird.pro` located in the folder `/home/eip/labs/selections-birthofabird` of your virtual machine.
+     
+    * Downloading the project’s folder from `Bitbucket`: Use a terminal and write the command `git clone http:/bitbucket.org/eip-uprrp/selections-birthofabird` to download the folder `selections-birthofabird` from `Bitbucket`. Double click the file `BirthOfABird.pro` located in the folder that you downloaded to your computer.
 
 2. Configure the project.
 
 
       ---
 
-
       ![funcionMain.png](images/funcionMain.png)
 
       **Figure 2.** `Main` function.