diff --git a/runtime/syntax/scheme.vim b/runtime/syntax/scheme.vim
index e209729..c4454fc 100644
--- a/runtime/syntax/scheme.vim
+++ b/runtime/syntax/scheme.vim
@@ -1,10 +1,11 @@
 " Vim syntax file
 " Language: Scheme (R7RS)
-" Last Change: 2018-01-06
+" Last Change: 2021-01-03
 " Author: Evan Hanson <evhan@foldling.org>
 " Maintainer: Evan Hanson <evhan@foldling.org>
 " Previous Author: Dirk van Deun <dirk@igwe.vub.ac.be>
 " Previous Maintainer: Sergey Khorev <sergey.khorev@gmail.com>
+" Repository: https://git.foldling.org/vim-scheme.git
 " URL: https://foldling.org/vim/syntax/scheme.vim
 
 if exists('b:current_syntax')
@@ -14,6 +15,8 @@
 let s:cpo = &cpo
 set cpo&vim
 
+syn spell notoplevel
+
 syn match schemeParentheses "[^ '`\t\n()\[\]";]\+"
 syn match schemeParentheses "[)\]]"
 
@@ -35,7 +38,7 @@
 syn region schemeQuoteForm matchgroup=schemeData start=/(/ end=/)/ contained contains=ALLBUT,schemeQuasiquote,schemeQuasiquoteForm,schemeUnquote,schemeForm,schemeDatumCommentForm,schemeImport,@schemeImportCluster,@schemeSyntaxCluster
 syn region schemeQuasiquoteForm matchgroup=schemeData start=/(/ end=/)/ contained contains=ALLBUT,schemeQuote,schemeForm,schemeDatumCommentForm,schemeImport,@schemeImportCluster,@schemeSyntaxCluster
 
-syn region schemeString start=/\(\\\)\@<!"/ skip=/\\[\\"]/ end=/"/
+syn region schemeString start=/\(\\\)\@<!"/ skip=/\\[\\"]/ end=/"/ contains=@Spell
 syn region schemeSymbol start=/\(\\\)\@<!|/ skip=/\\[\\|]/ end=/|/
 
 syn match schemeNumber /\(#[dbeio]\)*[+\-]*\([0-9]\+\|inf.0\|nan.0\)\(\/\|\.\)\?[0-9+\-@\ilns]*\>/
@@ -47,9 +50,9 @@
 syn match schemeCharacter /#\\.[^ `'\t\n\[\]()]*/
 syn match schemeCharacter /#\\x[0-9a-fA-F]\+/
 
-syn match schemeComment /;.*$/
+syn match schemeComment /;.*$/ contains=@Spell
 
-syn region schemeMultilineComment start=/#|/ end=/|#/ contains=schemeMultilineComment
+syn region schemeMultilineComment start=/#|/ end=/|#/ contains=schemeMultilineComment,@Spell
 
 syn region schemeForm matchgroup=schemeParentheses start="(" end=")" contains=ALLBUT,schemeUnquote,schemeDatumCommentForm,@schemeImportCluster
 syn region schemeForm matchgroup=schemeParentheses start="\[" end="\]" contains=ALLBUT,schemeUnquote,schemeDatumCommentForm,@schemeImportCluster
@@ -63,7 +66,7 @@
   syn region schemeImport matchgroup=schemeImport start="\(([ \t\n]*\)\@<=\(import\)\>" end=")"me=e-1 contained contains=schemeImportForm,schemeIdentifier,schemeComment,schemeDatumComment
 endif
 
-syn match   schemeImportKeyword "\(([ \t\n]*\)\@<=\(except\|only\|prefix\|rename\|srfi\)\>"
+syn match   schemeImportKeyword "\(([ \t\n]*\)\@<=\(except\|only\|prefix\|rename\)\>"
 syn region  schemeImportForm matchgroup=schemeParentheses start="(" end=")" contained contains=schemeIdentifier,schemeComment,schemeDatumComment,@schemeImportCluster
 syn cluster schemeImportCluster contains=schemeImportForm,schemeImportKeyword