diff --git a/widgets/mainwindow.ui b/widgets/mainwindow.ui
index ef5830860..a6c208480 100644
--- a/widgets/mainwindow.ui
+++ b/widgets/mainwindow.ui
@@ -2871,7 +2871,7 @@ QLabel[oob="true"] {
               </size>
              </property>
              <property name="toolTip">
-              <string>Toggle FT8 hound mode on/off</string>
+              <string>Toggle FT8 hound mode On/Off</string>
              </property>
              <property name="text">
               <string>H</string>