Typo

README.md

@@ -2,7 +2,7 @@
 
 Note:
 1. Comment out fetchTarball and mailserver for initial installation,
-   I don't know why but there's issues with fetchTarball when it runs
+   I don't know why but there're issues with fetchTarball when it runs
    from live nixos installer.
 
 2. Some cloud providers disallow outbound SMTP by default. Check it if