diff --git a/qt-ui/mainwindow.ui b/qt-ui/mainwindow.ui
index 9374a5ded..8e5be3f64 100644
--- a/qt-ui/mainwindow.ui
+++ b/qt-ui/mainwindow.ui
@@ -852,10 +852,7 @@ p, li { white-space: pre-wrap; }
      <normaloff>:/icon_tissue</normaloff>:/icon_tissue</iconset>
    </property>
    <property name="text">
-    <string>Toggle Tissue Graph</string>
-   </property>
-   <property name="toolTip">
-    <string>Toggle Tissue Graph</string>
+    <string>Toggle tissue graph</string>
    </property>
   </action>
  </widget>