diff --git a/tools/gn/misc/vim/syntax/gn.vim b/tools/gn/misc/vim/syntax/gn.vim
index 55f1852..0fbd6e0 100644
--- a/tools/gn/misc/vim/syntax/gn.vim
+++ b/tools/gn/misc/vim/syntax/gn.vim
@@ -52,8 +52,10 @@
 hi def link     gnVariable          Keyword
 
 " Strings
-syn region	    gnString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=@Spell
+syn region      gnString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=@Spell,gnTargetName
+syn match       gnTargetName '\v:[^"]+' contained
 hi def link     gnString            String
+hi def link     gnTargetName        Special
 
 " Comments
 syn keyword     gnTodo              contained TODO FIXME XXX BUG NOTE