[gnome-user-docs] Add some information about the undo feature

[Baptiste Mille-Mathias <baptistem src gnome org>]

commit 3cc84ea80f6e96110b34af74815d4e48b7564b6f
Author: Baptiste Mille-Mathias <baptistem gnome org>
Date:   Sat Mar 3 11:35:08 2012 +0100

    Add some information about the undo feature
    
    add some information how to revert copy/move and renaming of files.
    indented properly some text.

 gnome-help/C/files-copy.page   |   13 +++++++++----
 gnome-help/C/files-rename.page |   12 +++++++++---
 2 files changed, 18 insertions(+), 7 deletions(-)
---
diff --git a/gnome-help/C/files-copy.page b/gnome-help/C/files-copy.page
index 9cdc017..765cecd 100644
--- a/gnome-help/C/files-copy.page
+++ b/gnome-help/C/files-copy.page
@@ -61,9 +61,10 @@
 <title>Drag files to copy or move</title>
 <item><p>Open the file manager and go to the folder which contains the file you
  want to copy.</p></item>
-<item><p>Click <guiseq><gui>File</gui><gui>New Window</gui></guiseq> (or press <keyseq><key>Ctrl</key><key>N</key></keyseq>) to open a second window. In the
- new window, navigate to the folder where you want to move or copy the
- file.</p></item>
+<item><p>Click <guiseq><gui>File</gui><gui>New Window</gui></guiseq> (or press 
+ <keyseq><key>Ctrl</key><key>N</key></keyseq>) to open a second window. In the
+ new window, navigate to the folder where you want to move or copy the file.
+ </p></item>
 <item>
  <p>Click and drag the file from one window to another. This will
  <em>move it</em> if the destination is on the <em>same</em> device, or
@@ -76,11 +77,15 @@
  </item>
 </steps>
 
+<note style="tip">
+ <p></p>
+</note>
 <note>
  <p>You can't copy or move a file into a folder that is <em>read-only</em>. Some
  folders are read-only to prevent you from making changes to their contents. You
  can change things from being read-only by
- <link xref="nautilus-file-properties-permissions">changing file permissions</link>.</p>
+ <link xref="nautilus-file-properties-permissions">changing file permissions
+ </link>.</p>
 </note>
 
 </page>
diff --git a/gnome-help/C/files-rename.page b/gnome-help/C/files-rename.page
index 98a4d39..91e69e9 100644
--- a/gnome-help/C/files-rename.page
+++ b/gnome-help/C/files-rename.page
@@ -18,14 +18,14 @@
     <credit type="author">
       <name>Jim Campbell</name>
       <email>jwcampbell gmail com</email>
-    </credit>    
+    </credit>
     <include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
   </info>
 
   <title>Rename a file or folder</title>
 
-<p>As with other file managers, you can use the GNOME file manager to change 
-the name of a file or folder.</p>
+  <p>As with other file managers, you can use the GNOME file manager to change 
+  the name of a file or folder.</p>
   <steps>
     <title>To rename a file or folder:</title>
     <item><p>Right-click on the item and select <gui>Rename</gui>, or select 
@@ -42,6 +42,12 @@ the name of a file or folder.</p>
   document), and you usually do not want to change that. If you need to change 
   the extension as well, select the entire file name and change it.</p>
 
+  <note style="tip">
+    <p>If you renamed the wrong file, or named your file improperly, you can 
+    undo the rename. To revert the action choose immediatly <guiseq><gui>Edit
+    </gui><gui> Undo</gui> </guiseq> to restore the former name.</p>
+  </note>
+
   <section id="valid-chars">
     <title>Valid characters for file names</title>
     <p>You can use any character except the <key>/</key> (slash) character in