fix message

src/server/routes/apiv3/slack-integration.js

@@ -289,7 +289,7 @@ module.exports = (crowi) => {
       logger.info('SlackTest: send success massage to slack work space at #general.');
       logger.info('If you do not receive a message, you may not have invited the bot to the #general channel.');
       // eslint-disable-next-line max-len
-      const message = 'Successfully send message to Slack work space. If you do not receive a message, you may not have invited the bot to the #general channel.';
+      const message = 'Successfully send message to Slack work space. See #general channel. If you do not receive a message, you may not have invited the bot to the #general channel.';
       return res.apiv3({ message });
     }
     catch (error) {