Display previous and next post pagination if there is more than one post

src/_includes/global/content.njk

@@ -51,8 +51,8 @@
         {{ content | safe }}
 
     {% if tags and tags.includes("posts") %}
+    {%- if collections.posts.length > 1 %}
     <nav class="blog__post--pagination" aria-labelledby="nextprev-title">
-    {%- if collections.posts %}
         <h2 class="visually-hidden" id="nextprev-title">Next and Previous Blog Posts</h2>
         {%- set previousPost = collections.posts | getPreviousCollectionItem %}
         {%- set nextPost = collections.posts | getNextCollectionItem %}
@@ -72,8 +72,8 @@
             {% endif %}
         </ul>
         {%- endif %}
-    {%- endif %}
     </nav>
+    {%- endif %}
     {% endif %}
     </{{contentEl}}>