diff --git a/syntax/beluga.vim b/syntax/beluga.vim
index 6d392f1..cc70305 100644
--- a/syntax/beluga.vim
+++ b/syntax/beluga.vim
@@ -4,6 +4,8 @@ endif
 let b:current_syntax = 'beluga'
 
 setlocal iskeyword=48-57,a-z,A-Z,!,$,&,',*,+,_,/,=,@,-,~,#,^
+setlocal comments=b:%,srn:%{,m:\ ,ern:}%
+setlocal commentstring=%%s
 
 syn match belArrowEtc /->\|=>\|→\|⇒\||-#\?\|⊢\|\<=\>\|:/
 hi def link belArrowEtc Function