docs: Fix typo in the toml documentation

README.md

@@ -21,7 +21,7 @@ The bridge can be configured via `config.toml` at either the current working dir
 [general]
 jid = "discord.server.example" # JID of the server component
 secret = "secret" # Component secret
-server = "server.example # Address of the actual XMPP server
+server = "server.example" # Address of the actual XMPP server
 port = 5869 # Component port
 discord_token "...." # Token of your Discord bot