diff --git a/etckeeper.changes b/etckeeper.changes
index 7f00ee4..99b9aa4 100644
--- a/etckeeper.changes
+++ b/etckeeper.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Sep 30 07:09:48 UTC 2018 - bkbin005@rinku.zaq.ne.jp
+
+- indicated that subpackages are noarch.
+- modified the description longer.
+
 -------------------------------------------------------------------
 Thu Sep 13 07:34:35 UTC 2018 - Marcus Rueckert <mrueckert@suse.de>
 
diff --git a/etckeeper.spec b/etckeeper.spec
index f6c569e..cee8607 100644
--- a/etckeeper.spec
+++ b/etckeeper.spec
@@ -88,6 +88,9 @@ understand the basics of working with version control.
 %package cron
 Summary:        The etckeeper cron function
 Group:          System/Management
+%if ! %{with bzr}
+BuildArch:      noarch
+%endif
 Requires:       etckeeper = %{version}-%{release}
 Provides:       etckeeper:%{_sysconfdir}/cron.daily/etckeeper
 Requires:       cron
@@ -99,6 +102,9 @@ The etckeeper-cron calls etckeeper from cron.
 %package zypp-plugin
 Summary:        The etckeeper integration function with ZYpp
 Group:          System/Management
+%if ! %{with bzr}
+BuildArch:      noarch
+%endif
 Requires:       %{python_versioned}-zypp-plugin
 Requires:       etckeeper = %{version}-%{release}
 Obsoletes:      etckeeper-pkgmanager-collabo < %{version}-%{release}
@@ -112,8 +118,9 @@ The etckeeper-zypp-plugin calls etckeeper from ZYpp.
 %package bzr
 Summary:        The etckeeper integration function with bzr
 Group:          System/Management
-Requires:       etckeeper = %{version}-%{release}
 Requires:       %{python_versioned}-base
+Requires:       etckeeper = %{version}-%{release}
+
 %description bzr
 The etckeeper integration function with bzr
 %endif
@@ -121,10 +128,11 @@ The etckeeper integration function with bzr
 %package bash-completion
 Summary:        The bash completion for etckeeper
 Group:          System/Management
-Requires:       etckeeper = %{version}-%{release}
 Requires:       bash-completion
+Requires:       etckeeper = %{version}-%{release}
+
 %description bash-completion
-The bash completion for etckeeper.
+Bash command line completion support for %{name}.
 
 %prep
 %setup -q