runtime(doc): update formatting and syntax

closes: #15800

Signed-off-by: Milly <milly.ca@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/spell.txt b/runtime/doc/spell.txt
index 809e3a8..e3acb6e 100644
--- a/runtime/doc/spell.txt
+++ b/runtime/doc/spell.txt
@@ -1,4 +1,4 @@
-*spell.txt*	For Vim version 9.1.  Last change: 2024 May 17
+*spell.txt*	For Vim version 9.1.  Last change: 2024 Oct 05
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -792,7 +792,7 @@
 The format for the affix and word list files is based on what Myspell uses
 (the spell checker of Mozilla and OpenOffice.org).  A description can be found
 here:
-	http://lingucomponent.openoffice.org/affix.readme ~
+	http://lingucomponent.openoffice.org/affix.readme
 Note that affixes are case sensitive, this isn't obvious from the description.
 
 Vim supports quite a few extras.  They are described below |spell-affix-vim|.