diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index aad3009..e6ad71d 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -83,6 +83,8 @@ syn region markdownBoldItalic start="\S\@<=___\|___\S\@=" end="\S\@<=___\|___\S\
 syn region markdownCode matchgroup=markdownCodeDelimiter start="`" end="`" keepend contains=markdownLineStart
 syn region markdownCode matchgroup=markdownCodeDelimiter start="`` \=" end=" \=``" keepend contains=markdownLineStart
 syn region markdownCode matchgroup=markdownCodeDelimiter start="^\s*```.*$" end="^\s*```\ze\s*$" keepend
+syn region markdownEqn matchgroup=markdownEqnDelimiter start="\$" end="\$" keepend contains=markdownLineStart
+syn region markdownEqn matchgroup=markdownEqnDelimiter start="^\s*\$\$.*$" end="^\s*\$\$\ze\s*$" keepend
 
 if main_syntax ==# 'markdown'
   for s:type in g:markdown_fenced_languages
@@ -121,6 +123,7 @@ hi def link markdownItalic                htmlItalic
 hi def link markdownBold                  htmlBold
 hi def link markdownBoldItalic            htmlBoldItalic
 hi def link markdownCodeDelimiter         Delimiter
+hi def link markdownEqnDelimiter          Comment
 
 hi def link markdownEscape                Special
 hi def link markdownError                 Error