Fix typo.

src/gui/widgets/automatic_filter_widget/automatic_filter_widget.ui

@@ -164,7 +164,7 @@
         </sizepolicy>
        </property>
        <property name="toolTip">
-        <string>allows to reach the minimum number of peptides per protein even if they are in different samples</string>
+        <string>allows one to reach the minimum number of peptides per protein even if they are in different samples</string>
        </property>
        <property name="text">
         <string>overall samples</string>