Typo fix

Author: rbuj

capplets/mouse/mate-mouse-properties.ui

@@ -817,7 +817,7 @@
                                     <property name="can_focus">False</property>
                                     <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
                                     <property name="halign">start</property>
-                                    <property name="label" translatable="yes">To test your double-click settings, try to double-click on the triangle and you must to see the mate desktop logo with both rings showing.</property>
+                                    <property name="label" translatable="yes">To test your double-click settings, try to double-click on the triangle and you must see the mate desktop logo with both rings showing.</property>
                                     <property name="wrap">True</property>
                                     <attributes>
                                       <attribute name="style" value="italic"/>