Update voltctl release page with more curent jenkins info

Fixed a few lint problems.
Added a few more doc edits that were pending.

Change-Id: I3604588945f20a3592696a953e76cdea9812ff4c
diff --git a/makefiles/help/include.mk b/makefiles/help/include.mk
index 0ff8bf4..3cca2cd 100644
--- a/makefiles/help/include.mk
+++ b/makefiles/help/include.mk
@@ -1,6 +1,6 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2017-2022 Open Networking Foundation
+# Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -32,6 +32,10 @@
 	@echo '  reload         Setup to auto-reload sphinx doc changes in browser'
 	@echo '  view-html      View generated documentation'
 	@echo
+	@echo '[TEST]'
+	@echo '  test           make lint linkcheck'
+	@echo '  test-all       make all-generation-targets'
+	@echo
 	@echo '[HELP]'
 	@echo '  help           Display program help'
 	@echo '  help-verbose   Display additional targets and help'