Merge pull request #19 from wp-cli/danielbachhuber-patch-1

Clarity prompting for an argument

src/Config_Command.php

@@ -87,6 +87,7 @@ private static function get_initial_locale() {
 	 *     Success: Generated 'wp-config.php' file.
 	 *
 	 *     # Avoid disclosing password to bash history by reading from password.txt
+	 *     # Using --prompt=dbpass will prompt for the 'dbpass' argument
 	 *     $ wp core config --dbname=testing --dbuser=wp --prompt=dbpass < password.txt
 	 *     Success: Generated 'wp-config.php' file.
 	 */