diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index c1e7de7..d31122b 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 7.0aa.  Last change: 2004 Jul 06
+*syntax.txt*	For Vim version 7.0aa.  Last change: 2004 Jul 15
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2089,6 +2089,14 @@
 "$global_var", "@instance_var", "| iterator |", and ":symbol".
 
 
+SCHEME						*scheme.vim* *scheme-syntax*
+
+By default only R5RS keywords are highlighted and properly indented.
+
+MzScheme-specific stuff will be used if b:is_mzscheme or g:is_mzscheme
+variables are defined.
+
+
 SDL						*sdl.vim* *sdl-syntax*
 
 The SDL highlighting probably misses a few keywords, but SDL has so many