runtime(doc): Fix typos in several documents

closes: #15034

Signed-off-by: h-east <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 6849bc3..6ec4031 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.1.  Last change: 2024 Jun 11
+*options.txt*	For Vim version 9.1.  Last change: 2024 Jun 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1915,7 +1915,7 @@
 			feature}
 	A template for a comment.  The "%s" in the value is replaced with the
 	comment text, and should be padded with a space when possible.
-	Currently used to add markers for folding, see |fold-marker| also
+	Currently used to add markers for folding, see |fold-marker|.  Also
 	commonly used by commenting plugins (e.g. |comment-install|).
 
 			*'compatible'* *'cp'* *'nocompatible'* *'nocp'*