diff --git a/docs/source/guides/admin-guides/references/man5/bootparams.5.rst b/docs/source/guides/admin-guides/references/man5/bootparams.5.rst
index 6fd7195df..2f8a412a2 100644
--- a/docs/source/guides/admin-guides/references/man5/bootparams.5.rst
+++ b/docs/source/guides/admin-guides/references/man5/bootparams.5.rst
@@ -62,7 +62,7 @@ bootparams Attributes:
 
 \ **addkcmdline**\ 
  
- User specified kernel options for os provision process(no prefix) or the provisioned os(with prefix "R::"). The options should be delimited with spaces(" ")
+ User specified kernel options for os provision process (no prefix) or the provisioned os (with prefix "R::"). Multiple options should be delimited with spaces(" ") and surrounded with quotes. To have the same option used for os provision process and for provisioned os, specify that option with and without the prefix: addkcmdline="R::display=3 display=3"
  
 
 
diff --git a/docs/source/guides/admin-guides/references/man7/group.7.rst b/docs/source/guides/admin-guides/references/man7/group.7.rst
index 16935c613..5c5153289 100644
--- a/docs/source/guides/admin-guides/references/man7/group.7.rst
+++ b/docs/source/guides/admin-guides/references/man7/group.7.rst
@@ -41,7 +41,7 @@ group Attributes:
 
 \ **addkcmdline**\  (bootparams.addkcmdline)
  
- User specified kernel options for os provision process(no prefix) or the provisioned os(with prefix "R::"). The options should be delimited with spaces(" ")
+ User specified kernel options for os provision process (no prefix) or the provisioned os (with prefix "R::"). Multiple options should be delimited with spaces(" ") and surrounded with quotes. To have the same option used for os provision process and for provisioned os, specify that option with and without the prefix: addkcmdline="R::display=3 display=3"
  
 
 
diff --git a/docs/source/guides/admin-guides/references/man7/node.7.rst b/docs/source/guides/admin-guides/references/man7/node.7.rst
index 479e4c196..3fe63eb87 100644
--- a/docs/source/guides/admin-guides/references/man7/node.7.rst
+++ b/docs/source/guides/admin-guides/references/man7/node.7.rst
@@ -41,7 +41,7 @@ node Attributes:
 
 \ **addkcmdline**\  (bootparams.addkcmdline)
  
- User specified kernel options for os provision process(no prefix) or the provisioned os(with prefix "R::"). The options should be delimited with spaces(" ")
+ User specified kernel options for os provision process (no prefix) or the provisioned os (with prefix "R::"). Multiple options should be delimited with spaces(" ") and surrounded with quotes. To have the same option used for os provision process and for provisioned os, specify that option with and without the prefix: addkcmdline="R::display=3 display=3"
  
 
 
diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index ba3fb3b4f..2385e9f7c 100755
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -343,7 +343,7 @@ passed as argument rather than by table value',
 'kernel' => 'The kernel that network boot actions should currently acquire and use.  Note this could be a chained boot loader such as memdisk or a non-linux boot loader',
 'initrd' => 'The initial ramdisk image that network boot actions should use (could be a DOS floppy or hard drive image if using memdisk as kernel)',
             'kcmdline' => '(Deprecated, use addkcmdline instead) Arguments to be passed to the kernel.',
-            'addkcmdline' => 'User specified kernel options for os provision process(no prefix) or the provisioned os(with prefix "R::"). The options should be delimited with spaces(" ")',
+            'addkcmdline' => 'User specified kernel options for os provision process (no prefix) or the provisioned os (with prefix "R::"). Multiple options should be delimited with spaces(" ") and surrounded with quotes. To have the same option used for os provision process and for provisioned os, specify that option with and without the prefix: addkcmdline="R::display=3 display=3"',
             'dhcpstatements' => 'xCAT manipulated custom dhcp statements (not intended for user manipulation)',
 'adddhcpstatements' => 'Custom dhcp statements for administrator use (not implemneted yet)',
             comments => 'Any user-written notes.',
diff --git a/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl b/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl
index eeb0b96a3..a34a68954 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl
+++ b/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl
@@ -4,6 +4,7 @@
     <bootloader>
       <global>
         <activate>true</activate>
+        <append>#XCATVAR:PERSKCMDLINE#</append>
       </global>
     </bootloader>
     <general>
diff --git a/xCAT-server/share/xcat/install/sles/service.sle15.tmpl b/xCAT-server/share/xcat/install/sles/service.sle15.tmpl
index eeb0b96a3..a34a68954 100644
--- a/xCAT-server/share/xcat/install/sles/service.sle15.tmpl
+++ b/xCAT-server/share/xcat/install/sles/service.sle15.tmpl
@@ -4,6 +4,7 @@
     <bootloader>
       <global>
         <activate>true</activate>
+        <append>#XCATVAR:PERSKCMDLINE#</append>
       </global>
     </bootloader>
     <general>