patch 9.1.0849: there are a few typos in the source

Problem:  there are a few typos in the source.
Solution: Correct typos (zeertzjq).

closes: #16026

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index eff99f7..b0c77db 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 Nov 09
+*syntax.txt*	For Vim version 9.1.  Last change: 2024 Nov 10
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2670,7 +2670,7 @@
 
 	:let g:pandoc#syntax#conceal#blacklist = []
 
-This is a list of the rules wich can be used here:
+This is a list of the rules which can be used here:
 
   - titleblock
   - image