diff --git a/data/ui/AboutXratersDialog.ui b/data/ui/AboutXratersDialog.ui
index be7c43f..c00fca4 100644
--- a/data/ui/AboutXratersDialog.ui
+++ b/data/ui/AboutXratersDialog.ui
@@ -1,4 +1,4 @@
-<?xml version="1.0"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <requires lib="gtk+" version="2.16"/>
   <!-- interface-requires about_xraters_dialog 1.0 -->
@@ -7,15 +7,47 @@
     <property name="border_width">5</property>
     <property name="icon">../media/icon.png</property>
     <property name="type_hint">normal</property>
-    <property name="has_separator">False</property>
     <property name="program_name">Xraters</property>
     <child internal-child="vbox">
       <object class="GtkVBox" id="dialog-vbox1">
         <property name="visible">True</property>
-        <property name="orientation">vertical</property>
         <property name="spacing">2</property>
         <child>
-          <placeholder/>
+          <object class="GtkLabel" id="label1">
+            <property name="visible">True</property>
+            <property name="label" translatable="yes">by Carlos M. Pérez Penichet, 2011</property>
+          </object>
+          <packing>
+            <property name="position">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLinkButton" id="linkbutton1">
+            <property name="label" translatable="yes">cpp@complexperiments.net</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <property name="has_tooltip">True</property>
+            <property name="relief">none</property>
+            <property name="uri">mailto:cpp@complexperiments.net</property>
+          </object>
+          <packing>
+            <property name="position">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLinkButton" id="linkbutton2">
+            <property name="label" translatable="yes">http://www.complexperiments.net/carlos/</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <property name="has_tooltip">True</property>
+            <property name="relief">none</property>
+            <property name="uri">http://www.complexperiments.net/carlos/</property>
+          </object>
+          <packing>
+            <property name="position">4</property>
+          </packing>
         </child>
         <child internal-child="action_area">
           <object class="GtkHButtonBox" id="dialog-action_area1">