Update runtime files, new color schemes
diff --git a/runtime/doc/help.txt b/runtime/doc/help.txt
index 14cf130..2adf651 100644
--- a/runtime/doc/help.txt
+++ b/runtime/doc/help.txt
@@ -1,4 +1,4 @@
-*help.txt*	For Vim version 8.2.  Last change: 2022 Feb 26
+*help.txt*	For Vim version 8.2.  Last change: 2022 May 13
 
 			VIM - main help file
 									 k
@@ -88,12 +88,15 @@
 |usr_43.txt|  Using filetypes
 |usr_44.txt|  Your own syntax highlighted
 |usr_45.txt|  Select your language
-|usr_46.txt|  Write plugins using Vim9 script
+
+Writing Vim scripts ~
+|usr_50.txt|  Advanced Vim script writing
+|usr_51.txt|  Create a plugin
+|usr_52.txt|  Write plugins using Vim9 script
 
 Making Vim Run ~
 |usr_90.txt|  Installing Vim
 
-
 REFERENCE MANUAL: These files explain every detail of Vim.	*reference_toc*
 
 General subjects ~