Update Widgets
You can add/edit widgets in your Website. To add, follow the steps mentioned below
Login to your website WordPress backend
Navigate to Appearance >> Widgets
Now, widget content can be updated as mentioned in the images below.
<% if (previousArticle) { %>
<% } %>
<% if (items.length > 1) { %>
<% if (previousTitle) { %>
<% } %>
<% if (nextArticle) { %>
<%= previousTitle %>
<% } %> <%= previousArticle.title %>
<% if (nextTitle) { %>
<% } %>