diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 5edeeb616..e8264b981 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -412,6 +412,7 @@ site => {
    "  domain (DNS domain name used for the cluster)\n".
    "  installdir (the local directory name used to hold the node deployment pkgs)\n".
    "  installloc (location to mount the installdir from in format hostname:/path)\n".
+   "  sharedftp (set to no/0 if xCAT should not assume /tftpboot is mounted on all service nodes)\n".
    "  xcatdport (port used by xcatd daemon for client/server communication)\n".
    "  xcatiport (port used by xcatd to receive install status updates from nodes)\n".
    "  timezone (e.g. America/New_York)\n".
diff --git a/xCAT-rmc/xCAT-rmc.spec b/xCAT-rmc/xCAT-rmc.spec
index 9724d98ab..95fad3fda 100644
--- a/xCAT-rmc/xCAT-rmc.spec
+++ b/xCAT-rmc/xCAT-rmc.spec
@@ -15,13 +15,13 @@ BuildRoot: /var/tmp/%{name}-%{version}-%{release}-root
 BuildArch: noarch
 %endif
 
-Requires: perl-xCAT = %{epoch}:%{version}
-Requires: xCAT-server  = %{epoch}:%{version}
+Requires: perl-xCAT >= %{epoch}:%{version}
+Requires: xCAT-server  >= %{epoch}:%{version}
 
 Provides: xCAT-rmc = %{version}
 
 %description
-Provides RMC monitoring plug-in module for xCAT, configuration scripts, predefined conditions, responses and sensors. 
+Provides RMC monitoring plug-in module for xCAT, configuration scripts, predefined conditions, responses and sensors.
 
 %prep
 %setup -q
diff --git a/xCAT-server/xCAT-server.spec b/xCAT-server/xCAT-server.spec
index a3ab585f4..e5a5f36d3 100644
--- a/xCAT-server/xCAT-server.spec
+++ b/xCAT-server/xCAT-server.spec
@@ -19,8 +19,8 @@ BuildArch: noarch
 Requires: perl-IO-Socket-SSL perl-XML-Simple
 %endif
 
-Requires: perl-xCAT = %{epoch}:%{version}
-Requires: xCAT-client  = %{epoch}:%{version}
+Requires: perl-xCAT >= %{epoch}:%{version}
+Requires: xCAT-client  >= %{epoch}:%{version}
 
 Provides: xCAT-server = %{epoch}:%{version}