diff --git a/mainwindow.ui b/mainwindow.ui
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -75,6 +75,9 @@
                 <verstretch>0</verstretch>
                </sizepolicy>
               </property>
+              <property name="editable">
+               <bool>true</bool>
+              </property>
              </widget>
             </item>
             <item row="1" column="1">