diff --git a/topics/dp/domains.ditamap b/topics/dp/domains.ditamap
index 9de488f1..a4e11a21 100644
--- a/topics/dp/domains.ditamap
+++ b/topics/dp/domains.ditamap
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE map
-  PUBLIC "-//OASIS//DTD DITA 2.x Map//EN" "map.dtd">
+  PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
 <map>
    <title>DITA Domains</title>
    <topicref href="learningInteractionBase2-d.dita"/>
diff --git a/topics/dp/specializations.ditamap b/topics/dp/specializations.ditamap
index bfebc29d..b2e82ae8 100644
--- a/topics/dp/specializations.ditamap
+++ b/topics/dp/specializations.ditamap
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE map
-  PUBLIC "-//OASIS//DTD DITA 2.x Map//EN" "map.dtd">
+  PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
 <map>
    <title>DITA Specializations</title>
    <topicref href="bookmap.dita"/>