Added note about hash to Pagination::$params phpdoc

framework/data/Pagination.php

@@ -85,6 +85,7 @@ class Pagination extends Object
 	/**
 	 * @var array parameters (name => value) that should be used to obtain the current page number
 	 * and to create new pagination URLs. If not set, all parameters from $_GET will be used instead.
+	 * In order to add hash to all links use `'#' => 'hashtag'`.
 	 *
 	 * The array element indexed by [[pageVar]] is considered to be the current page number.
 	 * If the element does not exist, the current page number is considered 0.