diff --git a/CHANGELOG b/CHANGELOG
index 0e82d1dd0..5f18baf9e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
 
 o [Ndiff] Added support for prerule and postrule scripts. [David]
 
+o [Ndiff] Fixed ndiff.dtd to include two elements that can be diffed:
+  status and address. [Daniel Miller]
+
 o [Ndiff] Fixed the ordering of hostscript-related elements in XML
   output. [Daniel Miller]
 
diff --git a/ndiff/docs/ndiff.dtd b/ndiff/docs/ndiff.dtd
index b9deb00e1..0b074cec6 100644
--- a/ndiff/docs/ndiff.dtd
+++ b/ndiff/docs/ndiff.dtd
@@ -127,6 +127,6 @@ version 0, which was rather different. -->
 
 <!ELEMENT hostscript (script | a | b)*>
 
-<!ENTITY % diff-elem "(prescript | postscript | host | hostname | extraports* | port | state | service | script | os | osmatch* | hostscript)">
+<!ENTITY % diff-elem "(prescript | postscript | host | status | address | hostname | extraports* | port | state | service | script | os | osmatch* | hostscript)">
 <!ELEMENT a %diff-elem;>
 <!ELEMENT b %diff-elem;>