diff --git a/doc/HeroSkill.py b/doc/HeroSkill.py
index 147b5074..767c6d7b 100644
--- a/doc/HeroSkill.py
+++ b/doc/HeroSkill.py
@@ -39,7 +39,7 @@ class HeroSkill(object):
                 'params': [
                     _common.ReqHead(),
                     ['skill_id', '0', '技能itemId'],
-                    ['hero_ids', '0', '英雄itemId'],
+                    ['hero_ids', '0', '英雄itemId 用|分割 例如 xxx|xxx'],
                 ],
                 'response': [
                     _common.RspHead(),