diff --git a/peg.vim b/peg.vim
index 97c44b2..223d5df 100644
--- a/peg.vim
+++ b/peg.vim
@@ -5,6 +5,8 @@ syn match pegU2M /<-/
 
 syn match pegName /\v[a-zA-Z_][a-zA-Z0-9_]*/
 
+syn match pegLineComment '#.*'
+
 syn region pegStringD start=/\v"/ skip=/\v\\./ end=/\v"/
 syn region pegStringS start=/\v'/ skip=/\v\\./ end=/\v'/
 syn region pegClass start=/\v\[/ skip=/\v\\./ end=/\v]/
@@ -17,6 +19,8 @@ hi def link pegU2M Statement
 
 hi def link pegName Identifier
 
+hi def link pegLineComment Comment
+
 hi def link pegStringD String
 hi def link pegStringS String
 hi def link pegClass String