--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties	Mon May 30 16:36:41 2016 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties	Tue May 31 13:00:17 2016 -0400
@@ -2715,6 +2715,9 @@
 compiler.err.service.implementation.is.abstract=\
     the service implementation is an abstract class: {0}
 
+compiler.err.service.implementation.must.be.subtype.of.service.interface=\
+    the service implementation type must be a subtype of the service interface type
+
 # 0: symbol
 compiler.err.service.implementation.is.inner=\
     the service implementation is an inner class: {0}