* @param int|null $rc_id The rc_id of the change to add the tags to
* @param int|null $rev_id The rev_id of the change to add the tags to
* @param int|null $log_id The log_id of the change to add the tags to
- * @param string $params Params to put in the ct_params field of table 'change_tag'
+ * @param string|null $params Params to put in the ct_params field of table 'change_tag'
* @param RecentChange|null $rc Recent change, in case the tagging accompanies the action
* (this should normally be the case)
*
* Pass a variable whose value is null if the rev_id is not relevant or unknown.
* @param int|null &$log_id The log_id of the change to add the tags to.
* Pass a variable whose value is null if the log_id is not relevant or unknown.
- * @param string $params Params to put in the ct_params field of table
+ * @param string|null $params Params to put in the ct_params field of table
* 'change_tag' when adding tags
* @param RecentChange|null $rc Recent change being tagged, in case the tagging accompanies
* the action
* @param string $tag
* @param string $reason
* @param User $user Who to attribute the action to
- * @param int $tagCount For deletion only, how many usages the tag had before
+ * @param int|null $tagCount For deletion only, how many usages the tag had before
* it was deleted.
* @param array $logEntryTags Change tags to apply to the entry
* that will be created in the tag management log