Index: wp-content/themes/twentyfifteen/inc/template-tags.php
===================================================================
--- wp-content/themes/twentyfifteen/inc/template-tags.php	(revision 30047)
+++ wp-content/themes/twentyfifteen/inc/template-tags.php	(working copy)
@@ -295,4 +295,21 @@
 
 	return $has_url ? $has_url : apply_filters( 'the_permalink', get_permalink() );
 }
+endif;
+
+if ( ! function_exists( 'twentyfifteen_excerpt_more' ) ) :
+/**
+ * Replaces "[...]" (appended to automatically generated excerpts) with a Continue reading link.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ */
+function twentyfifteen_excerpt_more( $more ) {
+	return sprintf( ' <a href="%1$s" class="more-link">%2$s</a>',
+		esc_url( get_permalink( get_the_ID() ) ),
+		/* translators: %s: Name of current post */
+		sprintf( esc_html__( 'Continue reading %s', 'twentyfifteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span> <span class="meta-nav">&rarr;</span>' )
+		);
+}
+add_filter( 'excerpt_more', 'twentyfifteen_excerpt_more' );
 endif;
\ No newline at end of file