Update runtime files.
diff --git a/runtime/syntax/j.vim b/runtime/syntax/j.vim
index 6ba9366..368cfc6 100644
--- a/runtime/syntax/j.vim
+++ b/runtime/syntax/j.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	J
 " Maintainer:	David Bürgin <676c7473@gmail.com>
-" Last Change:	2013-09-21
+" Last Change:	2013-10-06
 
 if exists("b:current_syntax")
   finish
@@ -33,11 +33,13 @@
 syn match jNumber /\<__\=\>/
 syn match jNumber /\<_\=\d\+x\>/
 
-syn match jComment /NB\..*$/
+syn match jComment /NB\..*$/ contains=jTodo,@Spell
+syn keyword jTodo TODO FIXME XXX contained
 
 hi def link jControl Statement
 hi def link jString String
 hi def link jNumber Number
 hi def link jComment Comment
+hi def link jTodo Todo
 
 let b:current_syntax = "j"