[evince] help: Add missing tag

[Andre Klapper <aklapper src gnome org>]

commit 3bc046d5121553585f5b1f41b54ffa6eeabc3165
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Sep 23 22:01:08 2017 +0200

    help: Add missing tag

 help/C/titlebar.page |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/help/C/titlebar.page b/help/C/titlebar.page
index 2d10d6a..a7b09e1 100644
--- a/help/C/titlebar.page
+++ b/help/C/titlebar.page
@@ -35,7 +35,9 @@
       <p>A <gui>Magnifying glass button</gui> to <link xref="finding">find a
       word or phrase in the document</link>.</p>
     </item>
+    <item>
       <p>A button to manage <link xref="annotations">annotations</link>.</p>
+    </item>
     <item>
       <p>A drop-down box to adjust the <link xref="movingaround#zoom">zoom</link> level.</p>
     </item>