Update README.md

Author: jacklowrie

README.md

@@ -3,11 +3,11 @@ PiazzaBot is a simple slack bot that makes discussing posts on Piazza easier.
 When a post is mentioned by ID, PiazzaBot will respond with a link to that
 post.
 
-***Note**: I am not affiliated with or endorsed by Piazza in any way. Neither
-is this bot.
-
 <img src="https://github.com/jacklowrie/piazza-bot/blob/main/demo.gif" width=100% height=100%>
 
+***Note**: I am not affiliated with or endorsed by Piazza or Slack in any way. Neither
+is this bot.
+
 ## Installation (adding to your workspace, and updates)
 This app isn't registered through the slack app directory. For now, it's meant
 to be used by one workspace per install/instance. To add to your workspace,