runtime(doc): tweak documentation style a bit

closes: #15371

Signed-off-by: h-east <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/usr_05.txt b/runtime/doc/usr_05.txt
index d922259..21629e3 100644
--- a/runtime/doc/usr_05.txt
+++ b/runtime/doc/usr_05.txt
@@ -1,4 +1,4 @@
-*usr_05.txt*	For Vim version 9.1.  Last change: 2024 Jun 19
+*usr_05.txt*	For Vim version 9.1.  Last change: 2024 Jun 28
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -455,7 +455,8 @@
 Load the plugin with this command: >
 	packadd nohlsearch
 <
-Automatically execute |:nohlsearch| after 'updatetime' or getting into |Insert| mode.
+Automatically execute |:nohlsearch| after 'updatetime' or getting into
+|Insert| mode.
 Thus assuming default updatetime, hlsearch would be suspended/turned off after
 4 seconds of idle time.