--- a/langtools/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Tue Oct 16 21:03:36 2012 -0700
+++ b/langtools/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Wed Oct 17 16:43:26 2012 +0100
@@ -2174,6 +2174,11 @@
     method references are not supported in -source {0}\n\
     (use -source 8 or higher to enable method references)
 
+# 0: string
+compiler.err.default.methods.not.supported.in.source=\
+    default methods are not supported in -source {0}\n\
+    (use -source 8 or higher to enable default methods)
+
 ########################################
 # Diagnostics for verbose resolution
 # used by Resolve (debug only)