--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties	Mon May 16 12:03:41 2016 +0100
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties	Mon May 16 13:05:42 2016 +0100
@@ -779,6 +779,10 @@
     bad return type in lambda expression\n\
     {0}
 
+compiler.misc.stat.expr.expected=\
+    lambda body is not compatible with a void functional interface\n\
+    (consider using a block lambda body, or use a statement expression instead)
+
 # 0: type
 compiler.misc.incompatible.ret.type.in.mref=\
     bad return type in method reference\n\