*
* @param array $params array of params of the form $params[$table][$field] == $value
* @param string $ctype contact type to match against
- * @param string $used dedupe rule group usage ('Unsupervised' or 'Supervised' or 'General')
+ * @param string $used dedupe rule group usage ('Unsupervised' or 'Supervised' or 'General')
* @param array $except array of contacts that shouldn't be considered dupes
* @param int $ruleGroupID the id of the dedupe rule we should be using
*