diff --git a/src/calibre/gui2/preferences/toolbar.ui b/src/calibre/gui2/preferences/toolbar.ui
index 0e601f74a2..51819b0df2 100644
--- a/src/calibre/gui2/preferences/toolbar.ui
+++ b/src/calibre/gui2/preferences/toolbar.ui
@@ -16,13 +16,28 @@
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">
     <widget class="QLabel" name="label">
+     <property name="font">
+      <font>
+       <weight>75</weight>
+       <bold>true</bold>
+      </font>
+     </property>
      <property name="text">
-      <string>Customize the actions in:</string>
+      <string>Choose the &amp;toolbar to customize:</string>
+     </property>
+     <property name="buddy">
+      <cstring>what</cstring>
      </property>
     </widget>
    </item>
    <item row="0" column="1" colspan="3">
     <widget class="QComboBox" name="what">
+     <property name="font">
+      <font>
+       <weight>75</weight>
+       <bold>true</bold>
+      </font>
+     </property>
      <property name="sizeAdjustPolicy">
       <enum>QComboBox::AdjustToMinimumContentsLengthWithIcon</enum>
      </property>