-Access to MySQL is currently via a defaults-file which is assumed
-to be `~/.my.cnf`. This should probably be made more configurable.
-If you see a need for this please let me know.
+Access to MySQL can be made by one of the following methods:
+* Default: use a defaults-file named `~/.my.cnf`.
+* use an explicit defaults-file with `--defaults-file=/path/to/.my.cnf`.
+* connect to a host with `--host=somehost --port=999 --user=someuser --password=somepass`, or
+* connect via a socket with `--socket=/path/to/mysql.sock --user=someuser --password=somepass`
+
+The user if not specified will default to the contents of `$USER`.
+The port if not specified will default to 3306.