beautifed code and added descriptive comments

application/templates/post_detail.html

@@ -1,6 +1,12 @@
+<!-- 
+marked parts of the template is external code
+import from https://tutorial.djangogirls.org/en/template_extending/ 
+-->
 {% extends 'base.html' %}{% block content %}
 {% load hitcount_tags %}
 <div class="col-md-8">
+
+    <!-- imported start -->
     <div class="post">
         {% if post.published_date %}
         <div class="date">
@@ -8,7 +14,11 @@
         </div>
         {% else %}
         <a class="btn btn-outline-dark" href="{% url 'post_publish' pk=post.pk %}">Publish</a>
+    <!-- imported end -->
+
         {% endif %} {% if user.is_staff and user == post.author %}
+
+        <!-- imported start -->
         <a class="btn btn-outline-dark" href="{% url 'post_edit' pk=post.pk %}">
             <span class="glyphicon glyphicon-pencil">Bearbeiten</span>
         </a>
@@ -18,6 +28,7 @@
         {% endif %}
         <h1>{{ post.title }}</h1>
         <p>{{ post.text|linebreaksbr }}</p>
+        <!-- imported end -->
         <p>
             Tags:
             {% for tag in post.tags.all %}