Improve truncation

src/Packagist/WebBundle/Resources/views/Package/viewPackage.html.twig

@@ -19,7 +19,7 @@
 {% endblock %}
 
 {% block description -%}
-    {{ package.description|slice(0, 300) }}
+    {{ package.description|truncate(300) }}
 {%- endblock %}
 
 {% set hasActions = is_granted('ROLE_EDIT_PACKAGES') or is_granted('ROLE_UPDATE_PACKAGES') or package.maintainers.contains(app.user) %}
@@ -76,7 +76,7 @@
                         <div class="alert alert-danger">There is no license information available for the latest version ({{ expandedVersion.version }}) of this package.</div>
                     {% endif %}
 
-                    <p class="description">{{ package.description|slice(0, 300) }}</p>
+                    <p class="description">{{ package.description|truncate(300) }}</p>
 
                     {% if hasActions %}
                         <div class="btn-group btn-group-xs">