[pitivi] Fixed wrong tags

[Marek Černocký <mcernocky src gnome org>]

commit 043422faab1ba36936c456002c988fe75821802b
Author: Marek Černocký <marek manet cz>
Date:   Fri Feb 15 18:26:13 2013 +0100

    Fixed wrong tags

 help/C/medialibrary.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/medialibrary.page b/help/C/medialibrary.page
index 218fbba..07c9737 100644
--- a/help/C/medialibrary.page
+++ b/help/C/medialibrary.page
@@ -42,7 +42,7 @@
          <list>
           <item><p>As you type, the first matching file will become selected.</p></item>
           <item><p>You can keep typing to refine your search.</p></item>
-          <item><p>When there are multiple results, you can use the <gui>up</gui> and <app>down</app> arrow 
keys to switch the selection between each search result.</p>
+          <item><p>When there are multiple results, you can use the <key>up</key> and <key>down</key> arrow 
keys to switch the selection between each search result.</p>
           </item>
          </list>
          <p>This method only allows searching from the beginning of the filename.</p>