[gnome-chess] help: Update summary of main window

[Michael Catanzaro <mcatanzaro src gnome org>]

commit d7eadfd4982c5d4f5c8d1a129961a5530df2c0b9
Author: Rafael Fontenelle <rafaelff gnome org>
Date:   Sun Mar 21 17:24:28 2021 -0300

    help: Update summary of main window

 help/C/play.page | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/help/C/play.page b/help/C/play.page
index 24c919f..d0cda86 100644
--- a/help/C/play.page
+++ b/help/C/play.page
@@ -36,14 +36,15 @@
 
   <p>The main game window is organized in three main areas:</p>
   <list>
-    <item><p>In the top menu, you can start a <gui style="button">New Game</gui>,
-    revert your last move(s), pause the game, <link xref="save-resume">save and
-    resume a game</link>, and resign.</p></item>
+    <item><p>In the header bar, you can revert your last move(s) and pause the
+    game, and in the menu button in the top-right corner of the window you can
+    start a <gui style="button">New Game</gui>, <link xref="save-resume">save
+    and resume a game</link>, and resign.</p></item>
     <item><p>The chess board is in the middle of the window, where the game is
     played by moving pieces using the mouse.</p></item>
     <item><p>At the bottom, the game history panel is shown and allows going
-    back, a dropdown lists the history of the performed moves, and on the right
-    the <link xref="timer">remaining move time for each player</link> is
+    back, a dropdown menu lists the history of the performed moves, and on the
+    right the <link xref="timer">remaining move time for each player</link> is
     displayed.</p></item>
   </list>