Index: vim/syntax/objc.vim
==================================================================
--- vim/syntax/objc.vim
+++ vim/syntax/objc.vim
@@ -135,11 +135,11 @@
 syn keyword objcType OFResolverResult OFFileOffset OFPlainCondition
 syn keyword objcType OFSocketHandle OFSpinlock OFTLSKey OFPlainThread
 syn keyword objcType OFOptionsParserOption OFHTTPRequestMethod
 syn keyword objcType OFHTTPRequestProtocolVersion OFSocketAddress
 syn keyword objcType OFFileAttributeKey OFFileType OFFileAttributes
-syn keyword objcType OFMutableFileAttributes
+syn keyword objcType OFMutableFileAttributes OFNotificationName
 syn keyword objcConstant YES NO TRUE FALSE
 
 syn region objcImp start='@implementation' end='@end' transparent
 syn region objcHeader start='@interface' end='@end' transparent