[gnome-chess] help: Fix page ID

[Andre Klapper <aklapper src gnome org>]

commit 115543bb4bc2a231495f53d71648fc63a09872be
Author: Andre Klapper <a9016009 gmx de>
Date:   Wed Sep 5 10:52:08 2018 +0200

    help: Fix page ID

 help/C/timer.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/timer.page b/help/C/timer.page
index 51a3ad7..d230f6c 100644
--- a/help/C/timer.page
+++ b/help/C/timer.page
@@ -1,6 +1,6 @@
 <page xmlns="http://projectmallard.org/1.0/";
       type="topic" style="task"
-      id="chess-engines">
+      id="timer">
   <info>
     <link type="guide" xref="index#advanced" />
     <revision pkgversion="3.28" version="0.2" date="2018-09-05" status="stub"/>