ultimatemember/templates/profile/comments-single.php

<?php if ( ! defined( 'ABSPATH' ) ) exit;

$comment_title = apply_filters( 'um_user_profile_comment_title', get_the_title( $comment->comment_post_ID ), $comment );
$link = apply_filters( 'um_user_profile_comment_url', get_permalink( $comment->comment_post_ID ), $comment ); ?>

<div class="um-item">
	<div class="um-item-link">
		<i class="um-icon-chatboxes"></i>
		<a href="<?php echo esc_url( get_comment_link( $comment->comment_ID ) ); ?>">
			<?php echo get_comment_excerpt( $comment->comment_ID ); ?>
		</a>
	</div>
	<div class="um-item-meta">
		<span><?php printf( __( 'On <a href="%1$s">%2$s</a>','ultimate-member' ), $link, $comment_title ); ?></span>
	</div>
</div>