Updated README.

README.md

@@ -7,6 +7,8 @@ A Python Steganography module.
 Installation
 ------------
 
+.. code:: bash
+
     $ sudo pip install Stegano
 
 
@@ -16,6 +18,7 @@ Use Stéganô as a library in your Python program
 If you want to use Stéganô in your Python program you just have to import the
 appropriate steganography technique. For example:
 
+.. code:: python
 
     >>> from stegano import slsb
     >>> secret = slsb.hide("./pictures/Lenna.png", "Hello Workd")
@@ -29,10 +32,14 @@ In addition you can use Stéganô as a program.
 
 Example:
 
+.. code:: bash
+
     $ slsb --hide -i ../examples/pictures/Lenna.png -o Lena1.png -m "Secret Message"
 
 Another example (hide the message  with Sieve of Eratosthenes):
 
+.. code:: bash
+
     $ slsb-set --hide -i ../examples/pictures/Lenna.png -o Lena2.png --generator eratosthenes -m 'Secret Message'
 
 
@@ -41,6 +48,8 @@ Examples
 
 There are some examples in the folder *examples*.
 
+.. code:: bash
+
     $ git clone https://github.com/cedricbonhomme/Stegano.git
     $ cd stegano/examples