Changed spellings

Author: shery7310

templates/index.html

@@ -4,7 +4,7 @@
 
 <!--For Homepage-->
 {% block content %}
-<h1>Welcome to Our URL Shortner app you need to be Logged in to shorten URL</h1>
+<h1>Welcome to Our URL Shortener app you need to be Logged in to shorten URL</h1>
 <h1>So please create an <a href="{{ url_for('signup') }}">Account</a> now</h1>
 
 <p>