diff --git a/runtime/syntax/logtalk.vim b/runtime/syntax/logtalk.vim
index 5fcbb09..7d90cd8 100644
--- a/runtime/syntax/logtalk.vim
+++ b/runtime/syntax/logtalk.vim
@@ -2,7 +2,7 @@
 "
 " Language:	Logtalk
 " Maintainer:	Paulo Moura <pmoura@logtalk.org>
-" Last Change:	June 16, 2008
+" Last Change:	Oct 31, 2008
 
 
 " Quit when a syntax file was already loaded:
@@ -51,9 +51,9 @@
 
 " Logtalk opening entity directives
 
-syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- object("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom,logtalkEntityRel
-syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- protocol("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkEntityRel
-syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- category("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkEntityRel
+syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- object("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom,logtalkEntityRel,logtalkLineComment
+syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- protocol("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkEntityRel,logtalkLineComment
+syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- category("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkEntityRel,logtalkLineComment
 
 
 " Logtalk closing entity directives