update doc

Author: shawnm0705

src/features/1.engagement-log.md

@@ -15,7 +15,7 @@ Engagement log is a feature to track user's engagement in an experience. Finally
 5. On institution/experience setting page, admin can set the engagement period (user is defined as "engaged" if the last log is within X days)
 6. Write a cronjob in the new lambda function to run every day
    * This cronjob only checks live experiences
-   * Checks every 'engaged' user in an experience, if the user is not engaged anymore, change the status to `disengaged`
+   * Check every user in an experience, if the user's engagement status is not valid anymore, update the status
 
 ## Engagement status