[totem] help: Fix help file syntax

[Bastien Nocera <hadess src gnome org>]

commit 4cdb49ecfaf2eb6b7152e3f7f9099b4486f36117
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Feb 4 13:36:37 2019 +0100

    help: Fix help file syntax
    
    Fixes: 219852c9441cc226a6e2bddb257e6c5795d956fa

 help/C/playing-DVD.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/playing-DVD.page b/help/C/playing-DVD.page
index 980006f4e..4860ea783 100644
--- a/help/C/playing-DVD.page
+++ b/help/C/playing-DVD.page
@@ -48,7 +48,7 @@
     </item>
     <item>
       <p>To play a DVD disc in your drive, open <app>Videos</app>, and select the DVD disc
-      in the grid of <gui>Videos</gui>.
+      in the grid of <gui>Videos</gui>.</p>
     </item>
   </list>