runtime(doc): Tweak documentation style a bit

closes: #16893

Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index 6d41e34..b27e124 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2025 Mar 13
+*version9.txt*  For Vim version 9.1.  Last change: 2025 Mar 15
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41606,7 +41606,7 @@
 - handle multi-line completion as expected
 - improved commandline completion for the |:hi| command
 - New option value for 'wildmode':
-  	"noselect"	- do not auto select an entry in the wildmenu
+	"noselect"	- do not auto select an entry in the wildmenu
 
 Options: ~
 - the default for 'commentstring' contains whitespace padding to have