diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 8fba2bc032..baafd8c00a 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -2892,6 +2892,9 @@ To enable folding of sections: >
 
 Note that folding can cause performance issues on some platforms.
 
+The minimum line syntax sync is set to 50.  To modify this number: >
+	let rst_minlines = 100
+
 
 REXX							*ft-rexx-syntax*
 
diff --git a/runtime/syntax/rst.vim b/runtime/syntax/rst.vim
index c43bda5892..34e43932b6 100644
--- a/runtime/syntax/rst.vim
+++ b/runtime/syntax/rst.vim
@@ -246,11 +246,11 @@ for s:filetype in keys(g:rst_syntax_code_list)
     unlet! prior_isk
 endfor
 
+
 " Enable top level spell checking
 syntax spell toplevel
 
-" TODO: Use better syncing.
-syn sync minlines=50 linebreaks=2
+exe "syn sync minlines=" . get(g:, 'rst_minlines', 50) . " linebreaks=2"
 
 hi def link rstTodo                         Todo
 hi def link rstComment                      Comment