runtime(misc): announce adoption of various runtime files

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/amiga.vim b/runtime/syntax/amiga.vim
index 5a664c4..9402196 100644
--- a/runtime/syntax/amiga.vim
+++ b/runtime/syntax/amiga.vim
@@ -1,9 +1,10 @@
 " Vim syntax file
 " Language:	AmigaDos
-" Maintainer:	Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
+" Maintainer:	This runtime file is looking for a new maintainer.
+" Former Maintainer: Charles E. Campbell
 " Last Change:	Aug 31, 2016
 " Version:     10
-" URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_AMIGA
+" Former URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_AMIGA
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")