runtime(doc): update documentation

closes: #14616

Signed-off-by: RestorerZ <restorer@mail2k.ru>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 619046e..7269e7d 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 Apr 21
+*syntax.txt*	For Vim version 9.1.  Last change: 2024 Apr 22
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2685,8 +2685,8 @@
 The syncing has 3 options.  The first two switch off some triggering of
 synchronization and should only be needed in case it fails to work properly.
 If while scrolling all of a sudden the whole screen changes color completely
-then you should try and switch off one of those.  Let me know if you can
-figure out the line that causes the mistake.
+then you should try and switch off one of those.  Let the developer know if
+you can figure out the line that causes the mistake.
 
 One triggers on "^\s*sub\s*" and the other on "^[$@%]" more or less. >
 
@@ -6133,4 +6133,5 @@
 		many places.
 "<\@1<=span"	Matches the same, but only tries one byte before "span".
 
+
  vim:tw=78:sw=4:ts=8:noet:ft=help:norl: