patch 9.0.1761: g<kEnd> behaves different from g<end>

Problem:  g<kEnd> behaves different from g<end>
Solution: Make g<kEnd> behave like g<End>

closes: #12861

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
diff --git a/runtime/doc/motion.txt b/runtime/doc/motion.txt
index 46f9680..2ddd1b9 100644
--- a/runtime/doc/motion.txt
+++ b/runtime/doc/motion.txt
@@ -255,7 +255,8 @@
 			instead of going to the end of the line.
 			When 'virtualedit' is enabled moves to the end of the
 			screen line.
-							*g<End>*
+
+							*g<End>* *g<kEnd>*
 g<End>			Like |g$| but to the last non-blank character
 			instead of the last character.