diff --git a/runtime/syntax/debsources.vim b/runtime/syntax/debsources.vim
index 4e136fa..c7960c1 100644
--- a/runtime/syntax/debsources.vim
+++ b/runtime/syntax/debsources.vim
@@ -2,11 +2,11 @@
 " Language:     Debian sources.list
 " Maintainer:   Debian Vim Maintainers
 " Former Maintainer: Matthijs Mohlmann <matthijs@cacholong.nl>
-" Last Change: 2018 Jan 06
+" Last Change: 2018 May 03
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debsources.vim
 
 " Standard syntax initialization
-if exists("b:current_syntax")
+if exists('b:current_syntax')
   finish
 endif
 
@@ -25,7 +25,7 @@
       \ 'oldstable', 'stable', 'testing', 'unstable', 'experimental',
       \ 'wheezy', 'jessie', 'stretch', 'sid', 'rc-buggy',
       \
-      \ 'trusty', 'xenial', 'zesty', 'artful', 'bionic', 'devel'
+      \ 'trusty', 'xenial', 'artful', 'bionic', 'cosmic', 'devel'
       \ ]
 let s:unsupported = [
       \ 'buzz', 'rex', 'bo', 'hamm', 'slink', 'potato',
@@ -34,12 +34,12 @@
       \ 'warty', 'hoary', 'breezy', 'dapper', 'edgy', 'feisty',
       \ 'gutsy', 'hardy', 'intrepid', 'jaunty', 'karmic', 'lucid',
       \ 'maverick', 'natty', 'oneiric', 'precise', 'quantal', 'raring', 'saucy',
-      \ 'utopic', 'vivid', 'wily', 'yakkety'
+      \ 'utopic', 'vivid', 'wily', 'yakkety', 'zesty'
       \ ]
 let &cpo=s:cpo
 
 " Match uri's
-syn match debsourcesUri            +\(https\?://\|ftp://\|[rs]sh://\|debtorrent://\|\(cdrom\|copy\|file\):\)[^' 	<>"]\++
+syn match debsourcesUri            '\(https\?://\|ftp://\|[rs]sh://\|debtorrent://\|\(cdrom\|copy\|file\):\)[^' 	<>"]\+'
 exe 'syn match debsourcesDistrKeyword   +\([[:alnum:]_./]*\)\<\('. join(s:supported, '\|'). '\)\>\([-[:alnum:]_./]*\)+'
 exe 'syn match debsourcesUnsupportedDistrKeyword +\([[:alnum:]_./]*\)\<\('. join(s:unsupported, '\|') .'\)\>\([-[:alnum:]_./]*\)+'
 
@@ -51,4 +51,4 @@
 hi def link debsourcesComment                 Comment
 hi def link debsourcesUri                     Constant
 
-let b:current_syntax = "debsources"
+let b:current_syntax = 'debsources'