diff --git a/data/key-mapper.glade b/data/key-mapper.glade
index 505a3f0b..0abe0113 100644
--- a/data/key-mapper.glade
+++ b/data/key-mapper.glade
@@ -127,7 +127,6 @@
     <property name="width_request">450</property>
     <property name="can_focus">False</property>
     <property name="title" translatable="yes">Key Mapper</property>
-    <property name="resizable">False</property>
     <property name="icon_name">mouse</property>
     <signal name="delete-event" handler="on_close" swapped="no"/>
     <child>
@@ -389,7 +388,7 @@
             </child>
           </object>
           <packing>
-            <property name="expand">False</property>
+            <property name="expand">True</property>
             <property name="fill">True</property>
             <property name="position">0</property>
           </packing>
@@ -419,7 +418,8 @@
                   <object class="GtkLabel">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
-                    <property name="tooltip_text" translatable="yes">Click on a cell below and hit a key on your device</property>
+                    <property name="tooltip_text" translatable="yes">Click on a cell below and hit a key on your device. Use the tab
+key if mouseclicks overwrite your input.</property>
                     <property name="margin_top">5</property>
                     <property name="margin_bottom">5</property>
                     <property name="label" translatable="yes">Key</property>