Update bug_report.md

Author: eucyt

.github/ISSUE_TEMPLATE/bug_report.md

@@ -4,9 +4,13 @@ about: Use this template to report bugs in the line-bot-sdk-nodejs
 title: 'Bug Report'
 ---
 
-## Bug Report
-<!-- First of all: Have you checked the docs https://developers.line.biz/en/docs/messaging-api/overview/, Q&A page https://developers.line.biz/en/faq/, https://www.line-community.me/questions, GitHub issues whether someone else has already reported your issue? -->
-
+<!--
+## Before Creating an Issue
+- Please check our [developer documentation](https://developers.line.biz/en/docs/) and [FAQ](https://developers.line.biz/en/faq/tags/messaging-api/) for more information on the Messaging API
+- Make sure the issue you are reporting isn't already addressed in the documentation or existing issues.
+## When Creating an Issue
+- Provide detailed information about the issue you experienced with the SDK using the template below.
+-->
 ## System Information
 - OS: [e.g. Ubuntu]
 - Node.js Version [e.g. Node v20.0.0]