runtime(misc): Use consistent "Vim script" spelling

References: https://groups.google.com/g/vim_dev/c/3Z5yM8KER2w/m/wAqws0QSEAAJ

closes: #15863

Signed-off-by: h-east <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/pack/dist/opt/comment/doc/comment.txt

@@ -57,7 +57,7 @@ Vim script): >
 
 	autocmd Filetype vim :setlocal commentstring="%s
 
-This example sets the " as start of a comment for legacy Vim Script.  For Vim9
+This example sets the " as start of a comment for legacy Vim script.  For Vim9
 script, you would instead use the "#" char: >
 
 	autocmd Filetype vim :setlocal commentstring=#\ %s