diff --git a/share/ocarina/ocarina6.glade b/share/ocarina/ocarina6.glade
index ef2c0b87..f424521a 100644
--- a/share/ocarina/ocarina6.glade
+++ b/share/ocarina/ocarina6.glade
@@ -7,6 +7,11 @@
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>
   </object>
+  <object class="GtkFileFilter" id="filefilter1">
+    <mime-types>
+      <mime-type>inode/directory</mime-type>
+    </mime-types>
+  </object>
   <object class="GtkImage" id="image12">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -1070,8 +1075,10 @@ Manager</property>
                     <property name="can_focus">False</property>
                     <property name="margin_left">5</property>
                     <property name="margin_right">5</property>
+                    <property name="margin_top">5</property>
                     <property name="action">select-folder</property>
                     <property name="create_folders">False</property>
+                    <property name="filter">filefilter1</property>
                     <property name="preview_widget_active">False</property>
                     <property name="use_preview_label">False</property>
                   </object>
@@ -1097,6 +1104,7 @@ Manager</property>
                             <property name="hscroll_policy">natural</property>
                             <property name="vscroll_policy">natural</property>
                             <property name="model">o_collection_list</property>
+                            <property name="headers_clickable">False</property>
                             <property name="rules_hint">True</property>
                             <property name="enable_search">False</property>
                             <child internal-child="selection">
@@ -1127,7 +1135,7 @@ Manager</property>
                             </child>
                             <child>
                               <object class="GtkTreeViewColumn" id="treeviewcolumn32">
-                                <property name="title" translatable="yes">Path</property>
+                                <property name="title" translatable="yes">Collection</property>
                                 <child>
                                   <object class="GtkCellRendererText" id="cellrenderertext2"/>
                                   <attributes>
@@ -1157,6 +1165,7 @@ Manager</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">True</property>
+                            <property name="tooltip_text" translatable="yes">Add the selected directory to the collection.</property>
                             <child>
                               <object class="GtkBox" id="box11">
                                 <property name="visible">True</property>
@@ -1178,7 +1187,7 @@ Manager</property>
                                   <object class="GtkLabel" id="label2">
                                     <property name="visible">True</property>
                                     <property name="can_focus">False</property>
-                                    <property name="label" translatable="yes">OK</property>
+                                    <property name="label" translatable="yes">Add</property>
                                     <property name="justify">center</property>
                                   </object>
                                   <packing>
@@ -1202,6 +1211,7 @@ Manager</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">True</property>
+                            <property name="tooltip_text" translatable="yes">Update all collections.</property>
                             <child>
                               <object class="GtkBox" id="box13">
                                 <property name="visible">True</property>
@@ -1592,8 +1602,6 @@ Manager</property>
               <packing>
                 <property name="left_attach">2</property>
                 <property name="top_attach">0</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
               </packing>
             </child>
             <child>
@@ -1660,7 +1668,6 @@ Manager</property>
                 <property name="left_attach">0</property>
                 <property name="top_attach">0</property>
                 <property name="width">2</property>
-                <property name="height">1</property>
               </packing>
             </child>
           </object>