Ticket #29970: 29970-1.diff

wp-content/themes/twentyfifteen/inc/customizer.php

@@ -422 +422 @@
                 .site-info,
                 .site-info a,
                 .wp-caption-text,
-                .gallery-caption {
+                .gallery-caption,
+                .comment-list .reply a {
                         color: %4$s; /* Fallback for IE7 and IE8 */
                         color: %5$s;
                 }