Index: src/wp-content/themes/twentyseventeen/style.css
===================================================================
--- src/wp-content/themes/twentyseventeen/style.css	(revision 43171)
+++ src/wp-content/themes/twentyseventeen/style.css	(working copy)
@@ -1582,6 +1582,9 @@
 	font-size: 24px;
 	font-size: 1.5rem;
 	font-weight: 800;
+	-webkit-hyphens: auto;
+    -moz-hyphens: auto;
+    hyphens: auto;
 	line-height: 1.25;
 	letter-spacing: 0.08em;
 	margin: 0;