Try adding Keegan's suggested changes to the comment CSS fairly blindly

web/themes/custom/geofresco/src/global/overrides.scss

@@ -45,7 +45,21 @@
   display: none;
 }
 
+/* Comment section TODO move to a proper non-overrides section, possibly into Octavia base theme! */
+
 .comment-indicator {
   position: absolute;
   left: -4rem;
 }
+
+.comment-section {
+  display: block;
+
+  article {
+    padding-bottom: 0;
+  }
+
+  .content p:not(:last-child) {
+    margin-bottom: 0;
+  }
+}