diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 83285dd..de8a665 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 9.1.  Last change: 2024 Feb 06
+*syntax.txt*	For Vim version 9.1.  Last change: 2024 Mar 10
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2236,10 +2236,19 @@
 
 If you have long regions there might be wrong highlighting.  At the cost of
 slowing down displaying, you can have the engine look further back to sync on
-the start of a region, for example 500 lines: >
+the start of a region, for example 500 lines (default is 50): >
 
 	:let g:markdown_minlines = 500
 
+If you want to enable fenced code block syntax highlighting in your markdown
+documents you can enable like this: >
+
+	:let g:markdown_fenced_languages = ['html', 'python', 'bash=sh']
+
+To disable markdown syntax concealing add the following to your vimrc: >
+
+	:let g:markdown_syntax_conceal = 0
+
 
 MATHEMATICA		*mma.vim* *ft-mma-syntax* *ft-mathematica-syntax*