diff --git a/docs/introduction.rst b/docs/introduction.rst
index af3666a..b754b6f 100644
--- a/docs/introduction.rst
+++ b/docs/introduction.rst
@@ -47,6 +47,7 @@ in exchange for fetching user's details and display them on web page.
 
 
 .. code-block:: python3
+
     import os
 
     from flask import Flask, redirect, url_for