diff --git a/src/config/extendedslider.cpp b/src/config/extendedslider.cpp
index cdb891b9..0254aacd 100644
--- a/src/config/extendedslider.cpp
+++ b/src/config/extendedslider.cpp
@@ -42,7 +42,7 @@ void ExtendedSlider::setMapedValue(int min, int val, int max) {
 }
 
 void ExtendedSlider::updateTooltip() {
-    setToolTip(QString::number(value()));
+    setToolTip(QString::number(value())+"%");
 }
 
 void ExtendedSlider::fireTimer() {
diff --git a/src/config/visualseditor.cpp b/src/config/visualseditor.cpp
index 51a96ff1..89387f88 100644
--- a/src/config/visualseditor.cpp
+++ b/src/config/visualseditor.cpp
@@ -50,7 +50,7 @@ void VisualsEditor::initOpacitySlider() {
     localLayout->addWidget(new QLabel("100%"));
 
     QLabel *label = new QLabel();
-    QString labelMsg = tr("Opacity of area outside selection:") + " %1";
+    QString labelMsg = tr("Opacity of area outside selection:") + " %1%";
     connect(m_opacitySlider, &ExtendedSlider::valueChanged,
             this, [labelMsg, label](int val){
         label->setText(labelMsg.arg(val));