--- a/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Utils.java	Fri Dec 16 12:08:46 2016 +0100
+++ b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Utils.java	Fri Dec 16 15:27:34 2016 +0000
@@ -533,7 +533,7 @@
             }
 
             void addModifers(Set<Modifier> modifiers) {
-                String s = set.stream().map(m -> m.toString()).collect(Collectors.joining(" "));
+                String s = set.stream().map(Modifier::toString).collect(Collectors.joining(" "));
                 sb.append(s);
                 if (!s.isEmpty())
                     sb.append(" ");