function bp_activity_admin_edit_metabox_link( $item ) {
?>

	<label class="screen-reader-text" for="bp-activities-link"><?php
		/* translators: accessibility text */
		_e( 'Link', 'buddypress' );
	?></label>
	<input type="url" name="bp-activities-link" id="bp-activities-link" value="<?php echo esc_url( $item->primary_link ); ?>" aria-describedby="bp-activities-link-description" />
	<p id="bp-activities-link-description"><?php _e( 'Activity generated by posts and comments uses the link field for a permalink back to the content item.', 'buddypress' ); ?></p>

<?php
}