Update README.md

Author: ThomDietrich

autossh/README.md

@@ -2,7 +2,7 @@
 
 ## About
 
-Use SSH to make your local Home Assistant setup available at and through a remote system.
+Use SSH to make your local Home Assistant setup available through a remote system.
 This forms yet another way to make the Lovelace UI and other services accessible from other networks or the public internet.
 
 This add-on is only useful to those with access to a publicly available SSH server and some administrative privileges on that system.