Update HelpMe.md

fix display about validator type.

1 files changed, 4 insertions, 3 deletions

diff --git a/HelpMe.md b/HelpMe.md
index 2fa7c39..51cdac7 100644
--- a/HelpMe.md
+++ b/HelpMe.md
@@ -346,9 +346,10 @@ or
 ## Validator
 
 There are three kind of Validator:
--Scalar
--Range
--Boolean expression
+
+* Scalar
+* Range
+* Boolean expression
 
 Any operator which requires validator (such as `a,r,e,c`) can use those three kind.