Update runtime files.
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 6dcb371..513ab31 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 8.1.  Last change: 2019 May 11
+*syntax.txt*	For Vim version 8.1.  Last change: 2019 Jun 01
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5210,6 +5210,15 @@
 The command also deletes the "b:current_syntax" variable, since no syntax is
 loaded after this command.
 
+To clean up specific syntax groups for the current buffer: >
+  :syntax clear {group-name} ..
+This removes all patterns and keywords for {group-name}.
+
+To clean up specific syntax group lists for the current buffer: >
+  :syntax clear @{grouplist-name} ..
+This sets {grouplist-name}'s contents to an empty list.
+
+						*:syntax-off* *:syn-off*
 If you want to disable syntax highlighting for all buffers, you need to remove
 the autocommands that load the syntax files: >
   :syntax off
@@ -5219,14 +5228,6 @@
 See the "nosyntax.vim" file for details.  Note that for this to work
 $VIMRUNTIME must be valid.  See |$VIMRUNTIME|.
 
-To clean up specific syntax groups for the current buffer: >
-  :syntax clear {group-name} ..
-This removes all patterns and keywords for {group-name}.
-
-To clean up specific syntax group lists for the current buffer: >
-  :syntax clear @{grouplist-name} ..
-This sets {grouplist-name}'s contents to an empty list.
-
 						*:syntax-reset* *:syn-reset*
 If you have changed the colors and messed them up, use this command to get the
 defaults back: >