Add missing collection number in CLI code

Closes #51

uhepp_org/uhepp_vault/templates/uhepp_vault/collection_detail.html

 {% extends 'uhepp_vault/base.html' %}
 {% load pygmentify_tags %}
 
+{% block title %}{{ collection.title }} - uhepp hub{% endblock %}
+
 {% block content %}
 <nav aria-label="breadcrumb" class="d-none d-sm-block">
   <ol class="breadcrumb my-2">
@@ -75,7 +77,7 @@ hist.push({{ collection.pk }})
 <h5>Pull collection</h5>
 {% pygmentify %}
 <pre class="bash">
-uhepp cpull {{ colleciton.pk }} DESTINATION
+uhepp cpull {{ collection.pk }} DESTINATION
 </pre>
 {% endpygmentify %}