--- a/QTfrontend/ui/page/pagemultiplayer.cpp	Fri May 06 15:45:48 2016 +0200
+++ b/QTfrontend/ui/page/pagemultiplayer.cpp	Fri May 06 16:08:48 2016 +0200
@@ -60,6 +60,7 @@
     QSize sz = lp.actualSize(QSize(65535, 65535));
     BtnStartMPGame = new QPushButton();
     BtnStartMPGame->setText(tr("Start"));
+    BtnStartMPGame->setWhatsThis(tr("Start fighting (requires at least 2 teams)"));
     BtnStartMPGame->setMinimumWidth(sz.width() + 60);
     BtnStartMPGame->setIcon(lp);
     BtnStartMPGame->setFixedHeight(50);

--- a/QTfrontend/ui/page/pagenetgame.cpp	Fri May 06 15:45:48 2016 +0200
+++ b/QTfrontend/ui/page/pagenetgame.cpp	Fri May 06 16:08:48 2016 +0200
@@ -49,6 +49,7 @@
     roomConfigLayout->setSpacing(0);
 
     leRoomName = new HistoryLineEdit(this, 10);
+    leRoomName->setWhatsThis(tr("Room name"));
     leRoomName->setMaxLength(60);
     leRoomName->setMinimumWidth(400);
     leRoomName->setMaximumWidth(600);
@@ -58,6 +59,7 @@
     roomConfigLayout->addWidget(leRoomName, 100);
 
     BtnUpdate = new QPushButton();
+    BtnUpdate->setWhatsThis(tr("Update the room name"));
     BtnUpdate->setEnabled(false);
     BtnUpdate->setText(tr("Update"));
     BtnUpdate->setFixedHeight(leRoomName->height() - 0);
@@ -126,7 +128,7 @@
 
     BtnGo = new QPushButton(this);
     BtnGo->setIconSize(QSize(25, 34));
-    BtnGo->setWhatsThis(tr("Turn on the lightbulb to show the other players when you're ready to fight."));
+    BtnGo->setWhatsThis(tr("Turn on the lightbulb to show the other players when you're ready to fight"));
     setReadyStatus(false);
     BtnGo->setMinimumWidth(50);
     BtnGo->setMinimumHeight(50);
@@ -140,6 +142,7 @@
     QSize sz = lp.actualSize(QSize(65535, 65535));
     BtnStart = new QPushButton();
     BtnStart->setText(tr("Start"));
+    BtnStart->setWhatsThis(tr("Start fighting (requires at least 2 teams)"));
     BtnStart->setMinimumWidth(sz.width() + 60);
     BtnStart->setIcon(lp);
     BtnStart->setFixedHeight(50);

--- a/QTfrontend/ui/widget/chatwidget.cpp	Fri May 06 15:45:48 2016 +0200
+++ b/QTfrontend/ui/widget/chatwidget.cpp	Fri May 06 16:08:48 2016 +0200
@@ -210,6 +210,7 @@
     // Chat view
 
     chatText = new QTextBrowser(this);
+    chatText->setWhatsThis(tr("Chat log"));
     chatText->document()->setDefaultStyleSheet(styleSheet());
     chatText->setMinimumHeight(20);
     chatText->setMinimumWidth(10);
@@ -226,6 +227,7 @@
     // Hover:   rgb(13, 5, 68)
 
     chatEditLine = new SmartLineEdit();
+    chatEditLine->setWhatsThis(tr("Enter chat messages here and send them with [Enter]"));
     chatEditLine->setMaxLength(300);
     chatEditLine->setStyleSheet("SmartLineEdit { background-color: rgb(23, 11, 54); padding: 2px 8px; border-width: 0px; border-radius: 7px; } SmartLineEdit:hover, SmartLineEdit:focus { background-color: rgb(13, 5, 68); }");
     chatEditLine->setFixedHeight(24);
@@ -237,6 +239,7 @@
     // Nickname list
 
     chatNicks = new QListView(this);
+    chatNicks->setWhatsThis(tr("List of players"));
     chatNicks->setIconSize(QSize(24, 16));
     chatNicks->setSelectionMode(QAbstractItemView::SingleSelection);
     chatNicks->setEditTriggers(QAbstractItemView::NoEditTriggers);