[gnome-chess] help: Rephrase a string

[Andre Klapper <aklapper src gnome org>]

commit 8b2cde434f080cd01dda3c01fd503771a4bb5145
Author: Andre Klapper <a9016009 gmx de>
Date:   Wed Sep 5 16:17:47 2018 +0200

    help: Rephrase a string

 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 1809150..ee52db7 100644
--- a/help/C/timer.page
+++ b/help/C/timer.page
@@ -25,7 +25,7 @@
     </item>
     <item>
       <p>Under <gui>Time limit</gui>, change
-      <gui style="menuitem">No limit</gui> to limit the time that each player
+      <gui style="menuitem">No limit</gui> to the time that each player
       has in total for the game.</p>
     </item>
   </steps>