Bug 519781 - Keys Preference Page - Document Export CSV function 

Added documentation of the "Export CSV ..." function.

Change-Id: I14b3d7c8ccaf2c6adfdf9201943707f08490bf13
Signed-off-by: jkaesser <jkaesser@t-online.de>
diff --git a/bundles/org.eclipse.platform.doc.user/concepts/accessibility/keyboardshortcuts.htm b/bundles/org.eclipse.platform.doc.user/concepts/accessibility/keyboardshortcuts.htm
index 1e676f7..289408a 100644
--- a/bundles/org.eclipse.platform.doc.user/concepts/accessibility/keyboardshortcuts.htm
+++ b/bundles/org.eclipse.platform.doc.user/concepts/accessibility/keyboardshortcuts.htm
@@ -198,6 +198,11 @@
 <p>
 For this type of conflict, the rule is that the <code>Ctrl+X</code> key sequence assigned to <code>Cut</code> would be ignored. Otherwise, it would not be possible to complete many of the key bindings in the <em>Emacs</em> configuration. 
 </p>
+<h2>Export Key Bindings</h2>
+<p>
+The bindings can be exported to a CSV file. For this purpose, press the button <strong>Export CSV ...</strong>. This will launch a file dialog, where you can specify the location of the export file. 
+Note: The export file is for reporting purposes only and <strong>can not be used to import</strong> the binding files into Eclipse.
+</p>
 <p><img src="../../images/ngrelc.png" alt="Related concepts" ><br>
 <a href="accessmain.htm">Accessibility features in Eclipse</a><br>
 <a href="../../tasks/tkeybindings.htm">Changing the key bindings</a><br>