runtime(doc): Tweak documentation style a bit

closes: #16556

Signed-off-by: Christian Brabandt <cb@256bit.org>
Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
diff --git a/runtime/doc/usr_25.txt b/runtime/doc/usr_25.txt
index 5b4df0d..54fd6bc 100644
--- a/runtime/doc/usr_25.txt
+++ b/runtime/doc/usr_25.txt
@@ -1,4 +1,4 @@
-*usr_25.txt*	For Vim version 9.1.  Last change: 2025 Jan 11
+*usr_25.txt*	For Vim version 9.1.  Last change: 2025 Feb 01
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -190,7 +190,7 @@
 	story. ~
 
 
-JUSTIFYING TEXT			*justify* *:Justify* *Justify()* *package-justify*
+JUSTIFYING TEXT		*justify* *:Justify* *Justify()* *package-justify*
 
 Vim has no built-in way of justifying text.  However, there is a neat macro
 package that does the job.  To use this package, execute the following