diff --git a/src/calibre/gui2/preferences/plugboard.ui b/src/calibre/gui2/preferences/plugboard.ui
index 9f14978ca8..e4ba4a16db 100644
--- a/src/calibre/gui2/preferences/plugboard.ui
+++ b/src/calibre/gui2/preferences/plugboard.ui
@@ -75,7 +75,7 @@ One possible use for a plugboard is to alter the title to contain series informa
      <item row="1" column="0">
       <widget class="QLabel" name="label_5">
        <property name="text">
-        <string>Add new plugboard</string>
+        <string>Add new plugboard:</string>
        </property>
       </widget>
      </item>
@@ -88,7 +88,7 @@ One possible use for a plugboard is to alter the title to contain series informa
      <item row="2" column="0">
       <widget class="QLabel" name="label_4">
        <property name="text">
-        <string>Edit existing plugboard</string>
+        <string>Edit existing plugboard:</string>
        </property>
       </widget>
      </item>
@@ -101,7 +101,7 @@ One possible use for a plugboard is to alter the title to contain series informa
      <item row="3" column="0">
       <widget class="QLabel" name="label_41">
        <property name="text">
-        <string>Existing plugboards</string>
+        <string>Existing plugboards:</string>
        </property>
        <property name="alignment">
         <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>