runtime(doc): Tweak documentation style a bit

closes: #11419

Signed-off-by: h-east <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/undo.txt b/runtime/doc/undo.txt
index 7a83e77..1d6a481 100644
--- a/runtime/doc/undo.txt
+++ b/runtime/doc/undo.txt
@@ -1,4 +1,4 @@
-*undo.txt*      For Vim version 9.1.  Last change: 2024 Sep 29
+*undo.txt*      For Vim version 9.1.  Last change: 2024 Nov 09
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -183,7 +183,7 @@
 g+			Go to newer text state.  With a count repeat that many
 			times.
 							*:lat* *:later*
-:lat[er] {count}		Go to newer text state {count} times.
+:lat[er] {count}	Go to newer text state {count} times.
 :lat[er] {N}s		Go to newer text state about {N} seconds later.
 :lat[er] {N}m		Go to newer text state about {N} minutes later.
 :lat[er] {N}h		Go to newer text state about {N} hours later.