diff --git a/docbkx/api-doc.xml b/docbkx/api-doc.xml
index cc441ba..107cc6c 100644
--- a/docbkx/api-doc.xml
+++ b/docbkx/api-doc.xml
@@ -16,7 +16,7 @@
       </author>
     </authorgroup>
     -->
-    <pubdate>18 January 2016</pubdate>
+    <pubdate>22 February 2017</pubdate>
   </info>
   <!-- include chapters -->
   <!--  <xi:include href="warning.xml"/> -->
diff --git a/docbkx/oai-pmh.xml b/docbkx/oai-pmh.xml
index 5d70097..b92e07f 100644
--- a/docbkx/oai-pmh.xml
+++ b/docbkx/oai-pmh.xml
@@ -1,7 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<chapter version="5.0" xmlns="http://docbook.org/ns/docbook"
+<chapter version="5.0" xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude"
     xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="cha_oai_pmh" xreflabel="OAI-PMH">
     <title>Bulk access via OAI-PMH</title>
+    <para>
+        <warning>
+            <para>The OAI-PMH publisher is not currently supporting incremental harvesting.</para>
+            <para>Although the usage of the OAI parameters 'from' and 'until' is handled by the OAI publisher, the datestamps of metadata records are updated about every week.</para>
+            <para>We apologise for any inconvenience this may cause to harvesters,</para>
+            <para>the OpenAIRE technical team.</para>
+        </warning>
+    </para>
     <para>OAI-PMH is a standard protocol for metadata publishing and harvesting. For details on the
         OAI-PMH protocol please refer to the official documentation at <link
             xlink:href="http://www.openarchives.org/OAI/openarchivesprotocol.html"/></para>
@@ -11,20 +19,39 @@
             xlink:href="http://api.openaire.eu/oai_pmh?verb=Identify"/></para>
     <para>The updated list of OAI sets is always available at: <link
             xlink:href="http://api.openaire.eu/oai_pmh?verb=ListSets"/></para>
-    <para>For quick reference, we report here the likely more interesting sets:</para>
+    <para>For quick reference, we report some of the likely more interesting sets:</para>
     <simplelist>
-        <member>openaire: the set of publications. Metadata prefixes available: oaf, oai_dc</member>
-        <member>FP7Publications: the set of publications funded by EC FP7. Metadata prefixes available: oaf, oai_dc</member>
-        <member>openaire_data: the set of datasets. Metadata prefixes available: oaf,
-            oai_datacite</member>
-        <member>OpenAccess: the set of all Open Access publications and datasets. Metadata prefixes
-            available: oaf (return datasets and publications), oai_dc (return datasets and
-            publications), oai_datacite (return datasets only)</member>
-        <member>projects: the set of all projects. Metadata prefix available: oaf</member>
-        <member>FP7Projects: the set of projects funded by the EC Seventh Framework Programme.
-            Metadata prefix available: oaf</member>
-        <member>WTProjects: the set of projects funded by Wellcome Trust. Metadata prefix available:
+        <member>
+            <emphasis>openaire</emphasis>: the set of publications. Metadata prefixes available:
+            oaf, oai_dc</member>
+        <member>
+            <emphasis>FP7Publications</emphasis>: the set of publications funded by EC FP7. Metadata
+            prefixes available: oaf, oai_dc</member>
+        <member>
+            <emphasis>H2020Publications</emphasis>: the set of publications funded by EC H2020.
+            Metadata prefixes available: oaf, oai_dc</member>
+        <member>
+            <emphasis>openaire_data</emphasis>: the set of datasets. Metadata prefixes available:
+            oaf, oai_datacite</member>
+        <member>
+            <emphasis>OpenAccess</emphasis>: the set of all Open Access publications and datasets.
+            Metadata prefixes available: oaf (return datasets and publications), oai_dc (return
+            datasets and publications), oai_datacite (return datasets only)</member>
+        <member>
+            <emphasis>projects</emphasis>: the set of all projects. Metadata prefix available:
             oaf</member>
+        <member>
+            <emphasis>ECProjects</emphasis>: the set of projects funded by the European Commission
+            (EC) under the programmes FP7 and H2020. Metadata prefix available: oaf</member>
+        <member>
+            <emphasis>FP7Projects</emphasis>: the set of projects funded by the EC Seventh Framework
+            Programme. Metadata prefix available: oaf</member>
+        <member>
+            <emphasis>H2020Projects</emphasis>: the set of projects funded by the EC Horizn 2020
+            Programme. Metadata prefix available: oaf</member>
+        <member>
+            <emphasis>WTProjects</emphasis>: the set of projects funded by Wellcome Trust. Metadata
+            prefix available: oaf</member>
     </simplelist>
     <para>For the list of available metadata prefixes, check: <link
             xlink:href="http://api.openaire.eu/oai_pmh?verb=ListMetadataFormats"/>.</para>
diff --git a/docbkx/overview.xml b/docbkx/overview.xml
index 36fb394..eb56d8f 100644
--- a/docbkx/overview.xml
+++ b/docbkx/overview.xml
@@ -34,8 +34,8 @@
     </simplelist>
   </para>
   <para>Older versions: <simplelist>
-    <member><code>oaf</code> v0.2 <link xlink:href="https://www.openaire.eu/schema/0.1/oaf-0.2.xsd"> XML
-      schema</link> and <link xlink:href="https://www.openaire.eu/schema/0.1/doc/oaf-0.2.html">documentation</link></member>
+    <member><code>oaf</code> v0.2 <link xlink:href="https://www.openaire.eu/schema/0.2/oaf-0.2.xsd"> XML
+      schema</link> and <link xlink:href="https://www.openaire.eu/schema/0.2/doc/oaf-0.2.html">documentation</link></member>
     <member><code>oaf</code> v0.1 <link xlink:href="https://www.openaire.eu/schema/0.1/oaf-0.1.xsd"> XML
       schema</link> and <link xlink:href="https://www.openaire.eu/schema/0.1/doc/oaf-0.1.html">documentation</link></member>
     </simplelist>