team: fix port.sticky tooltip

#21
!26

src/connection-editor/ce-page-team-port.ui

@@ -298,7 +298,7 @@
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="receives_default">False</property>
-                    <property name="tooltip_text" translatable="yes">Validate received ARP packets on active ports. If this is not checked, all incoming ARP packets will be considered as a good reply.</property>
+                    <property name="tooltip_text" translatable="yes">Do not unselect the port if a better one becomes available.</property>
                     <property name="halign">start</property>
                     <property name="use_underline">True</property>
                     <property name="draw_indicator">True</property>