Fix typo for locahost (#914)

This must be a typo in the README only.

There is no other occurence when doing `git grep locahost` for this
value.

Signed-off-by: Benedikt Heine <[email protected]>
Co-authored-by: Ben Kochie <[email protected]>

Author: bebehei

README.md

@@ -139,7 +139,7 @@ collect.sys.user_summary                                     | 5.7           | C
 ### General Flags
 Name                                       | Description
 -------------------------------------------|--------------------------------------------------------------------------------------------------
-mysqld.address                             | Hostname and port used for connecting to MySQL server, format: `host:port`. (default: `locahost:3306`)
+mysqld.address                             | Hostname and port used for connecting to MySQL server, format: `host:port`. (default: `localhost:3306`)
 mysqld.username                            | Username to be used for connecting to MySQL Server
 config.my-cnf                              | Path to .my.cnf file to read MySQL credentials from. (default: `~/.my.cnf`)
 log.level                                  | Logging verbosity (default: info)