[gnome-2048] Update translators comments.

[Arnaud B. <arnaudb src gnome org>]

commit c9355d946da436a5dfbdf06cec9df8c0c54b80b2
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Feb 4 09:21:09 2019 +0100

    Update translators comments.

 data/help-overlay.ui | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/help-overlay.ui b/data/help-overlay.ui
index e961cee..c9c281a 100644
--- a/data/help-overlay.ui
+++ b/data/help-overlay.ui
@@ -25,7 +25,7 @@
         <child>
           <object class="GtkShortcutsGroup">
             <property name="visible">True</property>
-            <!-- Translators: header of the "Play" and "Undo (if enabled)" shortcuts section -->
+            <!-- Translators: header of the "Play with arrows" shortcut section -->
             <property name="title" translatable="yes" context="shortcut window">Game</property>
             <child>
               <object class="GtkShortcutsShortcut">
@@ -63,7 +63,7 @@
         <child>
           <object class="GtkShortcutsGroup">
             <property name="visible">True</property>
-            <!-- Translators: header of the "Toggle main menu," "Preferences," "Quit," etc. shortcuts 
section -->
+            <!-- Translators: header of the "Toggle main menu," "Keyboard shortcuts," "About," and "Quit," 
shortcuts section -->
             <property name="title" translatable="yes" context="shortcut window">Generic</property>
             <child>
               <object class="GtkShortcutsShortcut">