[gnome-user-docs] keyboard-nav: Fix keys to expand/collapse TreeView

[Petr Kovář <pmkovar src gnome org>]

commit 6441f5fc5d9eb45552a0ba2b94e19dfe7d13ae84
Author: Daniel Boles <dboles src gnome org>
Date:   Thu Aug 24 13:21:47 2017 +0100

    keyboard-nav: Fix keys to expand/collapse TreeView
    
    https://bugzilla.gnome.org/show_bug.cgi?id=784635

 gnome-help/C/keyboard-nav.page |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gnome-help/C/keyboard-nav.page b/gnome-help/C/keyboard-nav.page
index 4509a77..ca77149 100644
--- a/gnome-help/C/keyboard-nav.page
+++ b/gnome-help/C/keyboard-nav.page
@@ -73,8 +73,6 @@
       <p>Move selection between items in a single control, or among a set of
       related controls. Use the arrow keys to focus buttons in a toolbar, select
       items in a list or icon view, or select a radio button from a group.</p>
-      <p>In a tree view, use the left and right arrow keys to collapse and
-      expand items with children.</p>
     </td>
   </tr>
   <tr>
@@ -86,6 +84,10 @@
     <td><p><keyseq><key>Shift</key>Arrow keys</keyseq></p></td>
     <td><p>In a list or icon view, select all items from the currently selected
     item to the newly focused item.</p></td>
+    <td><p>In a tree view, items that have children can be expanded or collapsed,
+    to show or hide their children: expand by pressing
+    <keyseq><key>Shift</key><key>→</key></keyseq>, and collapse by
+    pressing <keyseq><key>Shift</key><key>←</key></keyseq>.</p></td>
   </tr>
   <tr>
     <td><p><key>Space</key></p></td>