runtime(doc): fix typo in syntax.txt

closes: #15425

Signed-off-by: Jon Parise <jon@indelible.org>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 8cefb0e..f1490c5 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 Jul 31
+*syntax.txt*	For Vim version 9.1.  Last change: 2024 Aug 03
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5143,7 +5143,7 @@
   line (or group of continued lines).
 - When a match with a sync pattern is found, the rest of the line (or group of
   continued lines) is searched for another match.  The last match is used.
-  This is used when a line can contain both the start end the end of a region
+  This is used when a line can contain both the start and the end of a region
   (e.g., in a C-comment like /* this */, the last "*/" is used).
 
 There are two ways how a match with a sync pattern can be used: