runtime(doc): Fix typos in several documents (#13420)

* Fix typos in several documents
* Update runtime/doc/terminal.txt

Co-authored-by: K.Takata <kentkt@csc.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 5f57fdb..996f0fb 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -4201,7 +4201,7 @@
 				Note that this is a copy, the value of
 				script-local variables cannot be changed using
 				this dictionary.
-		    version	Vimscript version (|scriptversion|)
+		    version	Vim script version (|scriptversion|)
 
 		Examples: >
 			:echo getscriptinfo({'name': 'myscript'})