Architecture specific change in rpms/ghostwriter.git

The package rpms/ghostwriter.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
https://src.fedoraproject.org/cgit/rpms/ghostwriter.git/commit/?id=1b6000052....

Change:
+ExcludeArch: ppc64le s390x

Thanks.

Full change:
============

commit 1b6000052af4c5f78ab1afc8f576f5f577711fe2
Author: Vitaly Zaitsev 
Date:   Mon Apr 29 15:00:52 2019 +0200

Required qt5-qtwebengine is not available on some arches.

diff --git a/ghostwriter.spec b/ghostwriter.spec
index b59a5e6..bc76475 100644
--- a/ghostwriter.spec
+++ b/ghostwriter.spec
@@ -26,6 +26,9 @@ BuildRequires: gcc-c++

Requires: hicolor-icon-theme

+# Required qt5-qtwebengine is not available on some arches.
+ExcludeArch: ppc64le s390x
+
 %description
 Ghostwriter is a text editor for Markdown, which is a plain text markup
 format created by John Gruber. For more information about Markdown, please