Fixed about header label

ubl-settings-video.glade

@@ -416,7 +416,7 @@ translated and supported by community.</property>
           <object class="GtkLabel" id="AboutHeaderLabel">
             <property name="visible">True</property>
             <property name="can-focus">False</property>
-            <property name="label" translatable="yes">About ubl-settings-video</property>
+            <property name="label" translatable="yes">UBLinux Video Configuration</property>
           </object>
         </child>
       </object>