diff --git a/src/kdeapplicationtreelistwidget.cpp b/src/kdeapplicationtreelistwidget.cpp
index ab1f4d8..ea6f9a5 100644
--- a/src/kdeapplicationtreelistwidget.cpp
+++ b/src/kdeapplicationtreelistwidget.cpp
@@ -1,145 +1,146 @@
 /*
   Copyright (c) 2015-2018 Montel Laurent <montel@kde.org>
 
   This library is free software; you can redistribute it and/or modify it
   under the terms of the GNU Library General Public License as published by
   the Free Software Foundation; either version 2 of the License, or (at your
   option) any later version.
 
   This library is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
   License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to the
   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   02110-1301, USA.
 
 */
 
 #include "kdeapplicationtreelistwidget.h"
 #include "categorytypecombobox.h"
 #include <QHeaderView>
 
 KDEApplicationTreeListWidgetItem::KDEApplicationTreeListWidgetItem(const QString &category, QTreeWidget *parent)
     : QTreeWidgetItem(parent)
     , mCategory(category)
 {
     mCategoryTypeCombobox = new CategoryTypeComboBox(false);
     treeWidget()->setItemWidget(this, CategoryType, mCategoryTypeCombobox);
 }
 
 KDEApplicationTreeListWidgetItem::~KDEApplicationTreeListWidgetItem()
 {
 }
 
 void KDEApplicationTreeListWidgetItem::restoreToDefault()
 {
     mCategoryTypeCombobox->restoreToDefault();
 }
 
 void KDEApplicationTreeListWidgetItem::setType(LoggingCategory::LoggingType type)
 {
     mCategoryTypeCombobox->setType(type);
 }
 
 void KDEApplicationTreeListWidgetItem::setDefaultCategory(LoggingCategory::LoggingType type)
 {
     mCategoryTypeCombobox->setDefaultCategories(type);
 }
 
 QString KDEApplicationTreeListWidgetItem::logName() const
 {
     return mCategory;
 }
 
 void KDEApplicationTreeListWidgetItem::setLogName(const QString &category)
 {
     mCategory = category;
 }
 
 LoggingCategory KDEApplicationTreeListWidgetItem::rule(bool forceSavingAllRules) const
 {
     LoggingCategory cat;
     if (mCategoryTypeCombobox->loggingCategoryIsNotDefault() || forceSavingAllRules) {
         cat.enabled = false;
         cat.logName = mCategory;
         cat.loggingType = mCategoryTypeCombobox->type();
     }
     return cat;
 }
 
 KDEApplicationTreeListWidget::KDEApplicationTreeListWidget(QWidget *parent)
     : QTreeWidget(parent)
 {
     setColumnCount(2);
     setRootIsDecorated(false);
     header()->hide();
 }
 
 KDEApplicationTreeListWidget::~KDEApplicationTreeListWidget()
 {
 }
 
 void KDEApplicationTreeListWidget::selectAllDebugCategories()
 {
     for (int i = 0; i < topLevelItemCount(); ++i) {
         KDEApplicationTreeListWidgetItem *itemWidget = static_cast<KDEApplicationTreeListWidgetItem *>(topLevelItem(i));
         itemWidget->setType(LoggingCategory::Debug);
     }
 }
 
 void KDEApplicationTreeListWidget::deSelectAllDebugCategories()
 {
     for (int i = 0; i < topLevelItemCount(); ++i) {
         KDEApplicationTreeListWidgetItem *itemWidget = static_cast<KDEApplicationTreeListWidgetItem *>(topLevelItem(i));
         itemWidget->setType(LoggingCategory::Off);
     }
 }
 
 void KDEApplicationTreeListWidget::fillList(const LoggingCategory::List &list)
 {
     addListItems(list, true);
 }
 
 void KDEApplicationTreeListWidget::addListItems(const LoggingCategory::List &list, bool clearList)
 {
     if (clearList) {
         clear();
     }
     for (const LoggingCategory &cat : list) {
         KDEApplicationTreeListWidgetItem *item = new KDEApplicationTreeListWidgetItem(cat.logName, this);
+        item->setToolTip(0, cat.logName);
         item->setText(KDEApplicationTreeListWidgetItem::Description, cat.description);
         item->setType(cat.loggingType);
         item->setDefaultCategory(cat.defaultCategoryType);
     }
     resizeColumnToContents(KDEApplicationTreeListWidgetItem::Description);
 }
 
 void KDEApplicationTreeListWidget::insertCategories(const LoggingCategory::List &list)
 {
     addListItems(list, false);
 }
 
 LoggingCategory::List KDEApplicationTreeListWidget::rules(bool forceSavingAllRules) const
 {
     LoggingCategory::List lst;
     for (int i = 0; i < topLevelItemCount(); ++i) {
         KDEApplicationTreeListWidgetItem *listWidgetItem = static_cast<KDEApplicationTreeListWidgetItem *>(topLevelItem(i));
         const LoggingCategory cat = listWidgetItem->rule(forceSavingAllRules);
         if (cat.isValid()) {
             lst.append(cat);
         }
     }
     return lst;
 }
 
 void KDEApplicationTreeListWidget::restoreToDefault()
 {
     //TODO use default value
     for (int i = 0; i < topLevelItemCount(); ++i) {
         KDEApplicationTreeListWidgetItem *itemWidget = static_cast<KDEApplicationTreeListWidgetItem *>(topLevelItem(i));
         itemWidget->restoreToDefault();
     }
 }