Update runtime files.
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index ad61a8b..c171a20 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt* For Vim version 8.2. Last change: 2020 Dec 04
+*syntax.txt* For Vim version 8.2. Last change: 2020 Dec 17
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -66,8 +66,8 @@
will start soon. See |'go-M'| about avoiding that.
*:syn-on* *:syntax-on*
-The `:syntax enable` command will keep your current color settings. This
-allows using `:highlight` commands to set your preferred colors before or
+The `:syntax enable` command will keep most of your current color settings.
+This allows using `:highlight` commands to set your preferred colors before or
after using this command. If you want Vim to overrule your settings with the
defaults, use: >
:syntax on