[gnome-apps-nightly] games: Add a comment about retro cores

[Mathieu Bridon <mbridon src gnome org>]

commit c1c183b97a8aaad16636d6b68dc37724d39dd377
Author: Mathieu Bridon <bochecha daitauha fr>
Date:   Tue Aug 16 11:15:34 2016 +0200

    games: Add a comment about retro cores

 org.gnome.Games.json |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/org.gnome.Games.json b/org.gnome.Games.json
index c3abcf4..b11ca20 100644
--- a/org.gnome.Games.json
+++ b/org.gnome.Games.json
@@ -35,8 +35,13 @@
                 "/share/dbus-1", "/share/doc", "/share/gir-1.0"
     ],
     "modules": [
+        /* Emulator cores for libretro
+
+           We build them first, because some of them are very big, and they
+           change more rarely than the rest of the modules. */
         "libretro-cores/libretro-bsnes.json",
         "libretro-cores/libretro-pcsx_rearmed.json",
+        /* End libretro cores */
         {
             "name": "retro-gtk",
             "config-opts": [