diff --git a/src/calibre/gui2/convert/pdf_output.ui b/src/calibre/gui2/convert/pdf_output.ui
index 4a6c99659d..5f77f526d0 100644
--- a/src/calibre/gui2/convert/pdf_output.ui
+++ b/src/calibre/gui2/convert/pdf_output.ui
@@ -14,7 +14,7 @@
    <string>Form</string>
   </property>
   <layout class="QFormLayout" name="formLayout">
-   <item row="0" column="0">
+   <item row="1" column="0">
     <widget class="QLabel" name="label">
      <property name="text">
       <string>&amp;Paper Size:</string>
@@ -24,10 +24,10 @@
      </property>
     </widget>
    </item>
-   <item row="0" column="1">
+   <item row="1" column="1">
     <widget class="QComboBox" name="opt_paper_size"/>
    </item>
-   <item row="1" column="0">
+   <item row="2" column="0">
     <widget class="QLabel" name="label_2">
      <property name="text">
       <string>&amp;Orientation:</string>
@@ -37,10 +37,10 @@
      </property>
     </widget>
    </item>
-   <item row="1" column="1">
+   <item row="2" column="1">
     <widget class="QComboBox" name="opt_orientation"/>
    </item>
-   <item row="2" column="0">
+   <item row="3" column="0">
     <widget class="QLabel" name="label_3">
      <property name="text">
       <string>&amp;Custom size:</string>
@@ -50,17 +50,17 @@
      </property>
     </widget>
    </item>
-   <item row="2" column="1">
+   <item row="3" column="1">
     <widget class="QLineEdit" name="opt_custom_size"/>
    </item>
-   <item row="3" column="0" colspan="2">
+   <item row="4" column="0" colspan="2">
     <widget class="QCheckBox" name="opt_preserve_cover_aspect_ratio">
      <property name="text">
       <string>Preserve &amp;aspect ratio of cover</string>
      </property>
     </widget>
    </item>
-   <item row="10" column="0">
+   <item row="11" column="0">
     <spacer name="verticalSpacer">
      <property name="orientation">
       <enum>Qt::Vertical</enum>
@@ -73,7 +73,7 @@
      </property>
     </spacer>
    </item>
-   <item row="4" column="0">
+   <item row="5" column="0">
     <widget class="QLabel" name="label_4">
      <property name="text">
       <string>Se&amp;rif family:</string>
@@ -83,10 +83,10 @@
      </property>
     </widget>
    </item>
-   <item row="4" column="1">
+   <item row="5" column="1">
     <widget class="QFontComboBox" name="opt_pdf_serif_family"/>
    </item>
-   <item row="5" column="0">
+   <item row="6" column="0">
     <widget class="QLabel" name="label_5">
      <property name="text">
       <string>&amp;Sans family:</string>
@@ -96,10 +96,10 @@
      </property>
     </widget>
    </item>
-   <item row="5" column="1">
+   <item row="6" column="1">
     <widget class="QFontComboBox" name="opt_pdf_sans_family"/>
    </item>
-   <item row="6" column="0">
+   <item row="7" column="0">
     <widget class="QLabel" name="label_6">
      <property name="text">
       <string>&amp;Monospace family:</string>
@@ -109,10 +109,10 @@
      </property>
     </widget>
    </item>
-   <item row="6" column="1">
+   <item row="7" column="1">
     <widget class="QFontComboBox" name="opt_pdf_mono_family"/>
    </item>
-   <item row="7" column="0">
+   <item row="8" column="0">
     <widget class="QLabel" name="label_7">
      <property name="text">
       <string>S&amp;tandard font:</string>
@@ -122,10 +122,10 @@
      </property>
     </widget>
    </item>
-   <item row="7" column="1">
+   <item row="8" column="1">
     <widget class="QComboBox" name="opt_pdf_standard_font"/>
    </item>
-   <item row="8" column="0">
+   <item row="9" column="0">
     <widget class="QLabel" name="label_8">
      <property name="text">
       <string>Default font si&amp;ze:</string>
@@ -135,14 +135,14 @@
      </property>
     </widget>
    </item>
-   <item row="8" column="1">
+   <item row="9" column="1">
     <widget class="QSpinBox" name="opt_pdf_default_font_size">
      <property name="suffix">
       <string> px</string>
      </property>
     </widget>
    </item>
-   <item row="9" column="0">
+   <item row="10" column="0">
     <widget class="QLabel" name="label_9">
      <property name="text">
       <string>Monospace &amp;font size:</string>
@@ -152,13 +152,23 @@
      </property>
     </widget>
    </item>
-   <item row="9" column="1">
+   <item row="10" column="1">
     <widget class="QSpinBox" name="opt_pdf_mono_font_size">
      <property name="suffix">
       <string> px</string>
      </property>
     </widget>
    </item>
+   <item row="0" column="0" colspan="2">
+    <widget class="QLabel" name="label_10">
+     <property name="text">
+      <string>&lt;b&gt;Note:&lt;/b&gt; The paper size settings below only take effect if you have set the output profile to the default output profile. Otherwise the output profile will override these settings.</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>