Fix a small typo in the readme

README.md

@@ -1,7 +1,7 @@
 Slack Invite Automation
 ------------
 
-A tiny web application to invite a user info your slack team.
+A tiny web application to invite a user into your slack team.
 
 Inspired by
 [How I hacked Slack into a community platform with Typeform](https://levels.io/slack-typeform-auto-invite-sign-ups/)