Small typo in comment

conf/defaults.ini

@@ -81,7 +81,7 @@ provider = file
 # postgres: user=a password=b host=localhost port=5432 dbname=c sslmode=disable
 # postgres: user=a password=b host=localhost port=5432 dbname=c sslmode=disable
 # mysql: go-sql-driver/mysql dsn config string, examples:
 # mysql: go-sql-driver/mysql dsn config string, examples:
 #         `user:password@tcp(127.0.0.1:3306)/database_name`
 #         `user:password@tcp(127.0.0.1:3306)/database_name`
-#         `user:password@unix(1/var/run/mysqld/mysqld.sock)/database_name`
+#         `user:password@unix(/var/run/mysqld/mysqld.sock)/database_name`
 # memcache: 127.0.0.1:11211
 # memcache: 127.0.0.1:11211