Fixed issue with sharing blog page on fb

Author: ceciliasnho

_layouts/post.html

@@ -72,7 +72,7 @@ <h4 class="category">{{ page.date | date: "%b" }} {{ page.date | date: "%d" }},
         <div class="social-icons box-content">
           <ul class="icons global-text-color-icons">
             <li>
-              <a href="https://www.facebook.com/sharer/sharer.php?u={{ site.url }}{{ site.baseurl }}{{ page.url }}"
+              <a href="https://www.facebook.com/sharer/sharer.php?u=https://polymathic-ai.org{{ site.baseurl }}{{ page.url }}"
                 onclick="window.open(this.href, 'facebook-share', 'width=550,height=255');return false;">
                 <i class="fi flaticon-facebook"></i>
               </a>