Shopify Blog Display a collection in a blog

Shopify Blog Display a Collection in a Blog

<div class="article">
  <h2 class="article-title">{{ article.title }}</h2>
  <p class="article-details">posted <span class="article-time">{{ article.published_at | date: "%Y %h" }}</span> by <span class="article-author">{{ article.author }}</span></p>
  <div class="article-body textile">
    {{ article.content }}
    {% if article.title == 'Our New merchandise' %}
    <ul>
      {% for product in collections.new-merchandise.products limit:3 %}
      <li>
        <div class="feature-product">        
          <div class="gallery-image">
            <a href="{{ product.url | within: collection }}" title="{{ product.title | escape }}>
              <img src="{{ product.featured_image | product_img_url: 'small' }}" alt="{{ product.title | escape }}" />
            </a>
          </div>
          <h2>
            <a href="{{ product.url | within: collection }}">{{ product.title }}</a>
          </h2>
          <p>{{ product.price | money }}</p>
        </div>
      </li>
      {% endfor %}
    </ul>
    {% endif %}
  </div>
</div>