runtime(doc): fix typos.

* Fix typo in document (Related: #12516)
* Fix E1363 duplication
* Fix one more typo.

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index 3d63b19..9493658 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -788,7 +788,7 @@
 On this text:
 	1 one ~
 	2 two ~
-	3 three FOLDED~
+	3 three FOLDED ~
 	4 four FOLDED ~
 	5 five FOLDED ~
 	6 six FOLDED ~