fix: correct typo in exercise 2.1 (#7)

Author: edragic

exercises/02.init/01.problem.authenticate/README.mdx

@@ -31,7 +31,7 @@ This check is the first and most basic requirement for a secure journal app. The
 Without this check, nothing else about security matters. Make sure every request is challenged at the door.
 
 <callout-danger>
-	If you're experiencing issues when clicking "Connenct" in the inspector,
+	If you're experiencing issues when clicking "Connect" in the inspector,
 	double-check the "Authentication" dropdown. Clicking that will show you a UI
 	for custom headers and if there's a custom "Authentication" header, it could
 	be messing with your connection request. Delete that header and the inspector