update servicenow docs

Author: pijiang3

flashduty/en/1. On-call/8. Integrations/8.5 Webhooks/8.5.5 ServiceNow sync.md

@@ -25,7 +25,7 @@ The user used to access ServiceNow needs to have administrator roles.
 
 1. On the user list page, find the newly created `flashduty` user and go to the configuration page.
 2. In the edit page, click `Set Password` to set a password.
-3. Click `Roles` to add **admin and itil** roles.
+3. Click `Roles` to add **personalize_dictionary and itil** roles (If custom field mapping configuration is not required, the personalize_dictionary permission does not need to be retained).
 4. Click `Update` to update the configuration.
 
 <img alt="drawing" width="600" src="https://download.flashcat.cloud/flashduty/doc/snow/snow-2.png" />

flashduty/zh/1. On-call/5. 集成引导/8.5 Webhooks/8.5.5 ServiceNow 同步.md

@@ -25,7 +25,7 @@ url: "https://docs.flashcat.cloud/zh/flashduty/service-now-sync"
 
 1. 在用户列表页面，找到新创建的 `flashduty` 用户并进到配置页面。
 2. 在编辑页面中，点击 `Set Password` 设置一个密码。
-3. 点击 `Roles` 添加 **admin 和 itil** 角色。
+3. 点击 `Roles` 添加 **personalize_dictionary 和 itil** 角色（如果不需要配置自定义字段映射关系，可以不授予 personalize_dictionary 权限）。
 4. 点击 `Update` 更新配置。
 
 <img alt="drawing" width="600" src="https://download.flashcat.cloud/flashduty/doc/snow/snow-2.png" />