diff --git a/.vim/syntax/todo.vim b/.vim/syntax/todo.vim
index 547b423..1b0c1ff 100644
--- a/.vim/syntax/todo.vim
+++ b/.vim/syntax/todo.vim
@@ -3,6 +3,7 @@ if exists("b:current_syntax")
 endif
 
 syntax keyword todoKeyword todo done
+syntax keyword todoKeyword vrij free
 highlight link todoKeyword Keyword
 
 syntax match todoComment "\v#.*$"