Changed tabulation to white space characters

src/view/about-info.inc

@@ -1,7 +1,7 @@
 {# This is the template for the about page. You can enter any html here and show different language versions by using the lang value in a twig conditional as demonstrated below. #}
 {% block content %}
 <div id="about-content">
-	{% if request.lang == 'fi' %}
+  {% if request.lang == 'fi' %}
     <h2>Tietoja sanastoselaimesta</h2>
     <p>Skosmos on web-pohjainen sanasto ja ontologiaselain.</p>
     <a href="http://github.com/NatLibFi/Skosmos">Skosmos GitHub-repositorio</a>
@@ -13,6 +13,6 @@
     <h4>About</h4>
     <p>Skosmos is a web based open source ontology browser.</p>
     <a href="http://github.com/NatLibFi/Skosmos">Skosmos GitHub repository</a>
-	{% endif %}
+  {% endif %}
 </div>
 {% endblock %}