diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 4fc640bab1..22c1e16a30 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -60,7 +60,8 @@ syn case ignore
 syn keyword vimGroup contained	Comment Constant String Character Number Boolean Float Identifier Function Statement Conditional Repeat Label Operator Keyword Exception PreProc Include Define Macro PreCondit Type StorageClass Structure Typedef Special SpecialChar Tag Delimiter SpecialComment Debug Underlined Ignore Error Todo
 
 " Default highlighting groups {{{2
-syn keyword vimHLGroup contained ErrorMsg IncSearch ModeMsg NonText StatusLine StatusLineNC EndOfBuffer VertSplit DiffText PmenuSbar TabLineSel TabLineFill Cursor lCursor QuickFixLine CursorLineSign CursorLineFold CurSearch PmenuKind PmenuKindSel PmenuExtra PmenuExtraSel Normal Directory LineNr CursorLineNr MoreMsg Question Search SpellBad SpellCap SpellRare SpellLocal PmenuThumb Pmenu PmenuSel SpecialKey Title WarningMsg WildMenu Folded FoldColumn SignColumn Visual DiffAdd DiffChange DiffDelete TabLine CursorColumn CursorLine ColorColumn Conceal MatchParen CursorIM LineNrAbove LineNrBelow
+syn keyword vimHLGroup contained ErrorMsg IncSearch ModeMsg NonText StatusLine StatusLineNC EndOfBuffer VertSplit DiffText PmenuSbar TabLineSel TabLineFill Cursor lCursor QuickFixLine CursorLineSign CursorLineFold CurSearch PmenuKind PmenuKindSel PmenuExtra PmenuExtraSel Normal Directory LineNr CursorLineNr MoreMsg Question Search SpellBad SpellCap SpellRare SpellLocal PmenuThumb Pmenu PmenuSel SpecialKey Title WarningMsg WildMenu Folded FoldColumn SignColumn Visual DiffAdd DiffChange DiffDelete TabLine CursorColumn CursorLine ColorColumn MatchParen CursorIM LineNrAbove LineNrBelow
+syn match vimHLGroup contained "\<Conceal\>"
 syn keyword vimOnlyHLGroup contained	Menu Scrollbar StatusLineTerm StatusLineTermNC ToolbarButton ToolbarLine Tooltip VisualNOS
 syn keyword nvimHLGroup contained	FloatBorder FloatFooter FloatTitle MsgSeparator NormalFloat NormalNC Substitute TermCursor TermCursorNC VisualNC Whitespace WinBar WinBarNC WinSeparator
 "}}}2