diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 4f4451c..fcaceb1 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -365,26 +365,31 @@ void MainWindow::buildUi()
   auto *editClearButton = new QToolButton();
   editClearButton->setText("...");
   editClearButton->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::EditClear));
+  editClearButton->setToolTip(QStringLiteral("Close stream"));
   rtlToolbarLayout->addWidget(editClearButton);
 
   m_addMembersButton = new QToolButton();
   m_addMembersButton->setText("...");
   m_addMembersButton->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::ListAdd));
+  m_addMembersButton->setToolTip(QStringLiteral("Add members to stream"));
   rtlToolbarLayout->addWidget(m_addMembersButton);
 
   auto *insertImageButton = new QToolButton();
   insertImageButton->setText("...");
   insertImageButton->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::InsertImage));
+  insertImageButton->setToolTip(QStringLiteral("Attach files"));
   rtlToolbarLayout->addWidget(insertImageButton);
 
   m_sendTextButton = new QToolButton();
   m_sendTextButton->setText("...");
   m_sendTextButton->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::DocumentSend));
+  m_sendTextButton->setToolTip(QStringLiteral("Send text message"));
   rtlToolbarLayout->addWidget(m_sendTextButton);
 
   auto *cameraVideoButton = new QToolButton();
   cameraVideoButton->setText("...");
   cameraVideoButton->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::CameraVideo));
+  cameraVideoButton->setToolTip(QStringLiteral("Toggle camera mode"));
   rtlToolbarLayout->addWidget(cameraVideoButton);
 
   rightLayout->addWidget(rtlToolbar);