[gnome-keysign: 7/9] flatpak: Warn the user that the instructions are for maintainers

[Tobias Mueller <tobiasmue src gnome org>]

commit ca62d894ef63b0dda0ac36fa3be592c597a55954
Author: Tobias Mueller <muelli cryptobitch de>
Date:   Thu Feb 14 13:45:26 2019 +0100

    flatpak: Warn the user that the instructions are for maintainers

 flatpak/README.rst | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/flatpak/README.rst b/flatpak/README.rst
index 29763e1..8c84322 100644
--- a/flatpak/README.rst
+++ b/flatpak/README.rst
@@ -1,3 +1,11 @@
+Note
+----------
+
+These instructions do only apply if you want to build the flatpak yourself.
+For installing the app, Flathub is most likely the best place to go:
+https://flathub.org/apps/details/org.gnome.Keysign
+
+
 Building
 --------------