Index: src/wp-content/themes/twentyfourteen/inc/customizer.php
===================================================================
--- src/wp-content/themes/twentyfourteen/inc/customizer.php	(revision 28731)
+++ src/wp-content/themes/twentyfourteen/inc/customizer.php	(working copy)
@@ -33,6 +33,7 @@
 	// Add the featured content section in case it's not already there.
 	$wp_customize->add_section( 'featured_content', array(
 		'title'       => __( 'Featured Content', 'twentyfourteen' ),
+		'icon'        => 'dashicons-star-filled',
 		'description' => sprintf( __( 'Use a <a href="%1$s">tag</a> to feature your posts. If no posts match the tag, <a href="%2$s">sticky posts</a> will be displayed instead.', 'twentyfourteen' ),
 			esc_url( add_query_arg( 'tag', _x( 'featured', 'featured content default tag slug', 'twentyfourteen' ), admin_url( 'edit.php' ) ) ),
 			admin_url( 'edit.php?show_sticky=1' )