runtime(doc): Fix notation of "Vim script" and "Vim9 script"

closes: #17213

Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/Makefile b/src/Makefile
index cde2e55..962e47b 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2037,7 +2037,7 @@
 	-rm -rf autom4te.cache
 	-rm -f auto/config.status auto/config.cache
 
-# Run vim script to generate the Ex command lookup table.
+# Run Vim script to generate the Ex command lookup table.
 # This only needs to be run when a command name has been added or changed.
 # If this fails because you don't have Vim yet, first build and install Vim
 # without changes.
@@ -2045,7 +2045,7 @@
 cmdidxs: ex_cmds.h
 	vim --clean -X --not-a-term -S create_cmdidxs.vim -c quit
 
-# Run vim script to generate the normal/visual mode command lookup table.
+# Run Vim script to generate the normal/visual mode command lookup table.
 # This only needs to be run when a new normal/visual mode command has been
 # added.
 # This requires a "vim" executable with the +eval feature.