diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 5a52fa4c058..b183a363b1f 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -3805,12 +3805,12 @@ class Form
 	 *    @param    string		            $selected    		Id of category preselected or 'auto' (autoselect category if there is only one element)
 	 *    @param    string		            $htmlname			HTML field name
 	 *    @param    int			            $maxlength      	Maximum length for labels
-     *    @param    int|string|array    	$markafterid        Removed all categories including the leaf $markafterid in category tree (exclude) or Keep only of category is inside the leaf starting with this id.
+     *    @param    int|string|array    	$markafterid        Keep only or removed all categories including the leaf $markafterid in category tree (exclude) or Keep only of category is inside the leaf starting with this id.
      *                                                          $markafterid can be an :    int (id of category)
      *                                                                                      string (categories ids seprated by comma)
      *                                                                                      array (list of categories ids)
 	 *    @param	int			            $outputmode			0=HTML select string, 1=Array
-     *    @param	int			            $include			[=0] Exlude or 1=Include
+     *    @param	int			            $include			[=0] Removed or 1=Keep only
 	 *    @return	string
 	 *    @see select_categories()
 	 */