diff --git a/data/gui/history_window.ui b/data/gui/history_window.ui
index 515c426d8..0b36ff7f1 100644
--- a/data/gui/history_window.ui
+++ b/data/gui/history_window.ui
@@ -86,6 +86,7 @@
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="receives_default">False</property>
+                    <property name="tooltip_text" translatable="yes">searching only in the selected day </property>
                     <property name="use_underline">True</property>
                     <property name="draw_indicator">True</property>
                   </object>