[gnome-software] flatpak: Fix a typo in self test build script

[Phaedrus Leeds <mwleeds src gnome org>]

commit b99255dd75af689ad2504df2a62cde9c1944af6e
Author: Phaedrus Leeds <mwleeds protonmail com>
Date:   Wed Oct 13 19:30:54 2021 +0000

    flatpak: Fix a typo in self test build script

 plugins/flatpak/tests/build.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/flatpak/tests/build.py b/plugins/flatpak/tests/build.py
index acc7e6657..6c6a8dd03 100755
--- a/plugins/flatpak/tests/build.py
+++ b/plugins/flatpak/tests/build.py
@@ -87,7 +87,7 @@ build_flatpak_bundle('org.test.Chiron',
                      'app-with-runtime/repo',
                      'chiron.flatpak')
 
-# app referencing remote that cannot be found
+# app referencing runtime that cannot be found
 build_flatpak('org.test.Chiron',
               'app-with-runtime',
               'app-missing-runtime/repo')