Typo in UI (Sentence style)

Change-Id: I2013f36e5ccb2dda39ae2d1aa2e47eab8e072532
Reviewed-on: https://gerrit.libreoffice.org/72221
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <tietze.heiko@gmail.com>

cui/uiconfig/ui/optgeneralpage.ui

@@ -61,7 +61,8 @@
                 </child>
                 <child>
                   <object class="GtkCheckButton" id="cbShowTipOfTheDay">
-                    <property name="label" translatable="yes" context="optgeneralpage|TipOfTheDayCheckbox">Show "Tip of the day" Dialog on Start-up</property>
+                    <property name="label" translatable="yes" context="optgeneralpage|TipOfTheDayCheckbox">Show "Tip of the Day" dialog on start-up</property>
+                    <property name="visible">True</property>
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="receives_default">False</property>