[accerciser] Fix incorrect link

[Andre Klapper <aklapper src gnome org>]

commit 0b80a30599adb096af08363509691589d2a92dcf
Author: Andre Klapper <ak-47 gmx net>
Date:   Mon Feb 16 01:22:55 2015 +0100

    Fix incorrect link

 help/C/index.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index 26a9733..5c9ec1d 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -30,7 +30,7 @@
   <note style="important">
     <title>Before You Begin</title>
     <p>
-      Read the <link href="help:gnome-help/a11y">Universal Access Help</link>
+      Read the <link xref="help:gnome-help/a11y">Universal Access Help</link>
     </p>
   </note>
   <section id="getting_started" style="2column">