icon color fix

_includes/entity.html

@@ -10,7 +10,7 @@
         	<a class="personlink" href="{{ person.mastodon }}"><span class="fa fa-brands fa-mastodon"></span></a>
       	{% endif -%}
       	{% if person.twitter and person.twitter != '' -%}
-        	<a class="personlink" href="{{ person.twitter }}"><span class="fa-brands fa-twitter"></span></a>
+        	<a class="personlink" href="{{ person.twitter }}"><span class="fa fa-brands fa-twitter"></span></a>
       	{% endif -%}
 	{% endif -%}
 {% endfor -%}