diff --git a/i-d/pdns-qof.xml b/i-d/pdns-qof.xml
index 6936f4d..b63a51e 100644
--- a/i-d/pdns-qof.xml
+++ b/i-d/pdns-qof.xml
@@ -3,7 +3,7 @@
      which is available here: http://xml.resource.org. -->
 <!DOCTYPE rfc SYSTEM "rfc2629.dtd" [
 <!-- One method to get references from the online citation libraries.
-     There has to be one entity for each item to be referenced. 
+     There has to be one entity for each item to be referenced.
      An alternate method (rfc include) is described in the references. -->
 
 <!ENTITY RFC2119 SYSTEM "http://xml.resource.org/public/rfc/bibxml/reference.RFC.2119.xml">
@@ -27,7 +27,7 @@
 ]>
 <?xml-stylesheet type='text/xsl' href='rfc2629.xslt' ?>
 <!-- used by XSLT processors -->
-<!-- For a complete list and description of processing instructions (PIs), 
+<!-- For a complete list and description of processing instructions (PIs),
      please see http://xml.resource.org/authoring/README.html. -->
 <!-- Below are generally applicable Processing Instructions (PIs) that most I-Ds might want to use.
      (Here they are set differently than their defaults in xml2rfc v1.32) -->
@@ -43,7 +43,7 @@
 <!-- use symbolic references tags, i.e, [RFC2119] instead of [1] -->
 <?rfc sortrefs="yes" ?>
 <!-- sort the reference entries alphabetically -->
-<!-- control vertical white space 
+<!-- control vertical white space
      (using these PIs as follows is recommended by the RFC Editor) -->
 <?rfc compact="yes" ?>
 <!-- do not start each main section on a new page -->
@@ -53,7 +53,7 @@
 <rfc category="info" docName="draft-dulaunoy-dnsop-passive-dns-cof-01" ipr="trust200902">
   <!-- category values: std, bcp, info, exp, and historic
      ipr values: full3667, noModification3667, noDerivatives3667
-     you can add the attributes updates="NNNN" and obsoletes="NNNN" 
+     you can add the attributes updates="NNNN" and obsoletes="NNNN"
      they will automatically be output with "(if approved)" -->
 
   <!-- ***** FRONT MATTER ***** -->
@@ -176,17 +176,17 @@ The document does not describe the protocol (e.g. <xref target="RFC3912">WHOIS</
         </section>
         <section title="ABNF grammar">
 			<figure><preamble>Formal grammar as defined in <xref target="RFC2234">ABNF</xref></preamble><artwork><![CDATA[
-answer          = entries 
+answer          = entries
 entries         = * ( entry CR)
-entry           = "{" keyvallist "}" 
+entry           = "{" keyvallist "}"
 keyvallist      = [ member *( value-separator member ) ]
 member          = qm field qm name-separator value
 name-separator  = ws %x3A ws            ; a ":" colon
 value           = value                 ; as defined in the JSON RFC
 value-separator = ws %x2C ws            ; , comma. As defined in JSON
-field           = "rrname" | "rrtype" | "rdata" | "time_first" | 
+field           = "rrname" | "rrtype" | "rdata" | "time_first" |
                   "time_last" | "count" | "bailiwick" | "sensor_id" |
-                  "zone_time_first" | "zone_time_last" | futureField 
+                  "zone_time_first" | "zone_time_last" | "origin" | futureField
 futureField     = string
 CR              = %x0D
 qm              = %x22                  ; " a quotation mark