diff --git a/src/reference/docbook/resequencer.xml b/src/reference/docbook/resequencer.xml
index 0c02fa46dd..9c2aa2adb4 100644
--- a/src/reference/docbook/resequencer.xml
+++ b/src/reference/docbook/resequencer.xml
@@ -49,7 +49,6 @@
   correlation-strategy="correlationStrategyBean" ]]><co id="resxml11-co" linkends="resxml11" /><![CDATA[
   correlation-strategy-method="correlate" ]]><co id="resxml12-co" linkends="resxml12" /><![CDATA[
   correlation-strategy-expression="headers['foo']" ]]><co id="resxml13-co" linkends="resxml13" /><![CDATA[
-
   release-strategy="releaseStrategyBean" ]]><co id="resxml14-co" linkends="resxml14" /><![CDATA[
   release-strategy-method="release" ]]><co id="resxml15-co" linkends="resxml15" /><![CDATA[
   release-strategy-expression="size() == 10" ]]><co id="resxml16-co" linkends="resxml16" /><![CDATA[
@@ -78,33 +77,9 @@
         </callout>
 
         <callout arearefs="resxml5-co" id="resxml5">
-
-
           <para>Whether to send out ordered sequences as soon as they are
           available, or only after the whole message group arrives.
           <emphasis>Optional (false by default)</emphasis>.</para>
-
-           If this flag is not specified (so a complete sequence is defined by the sequence headers) then it may make sense to provide a custom
-
-          <interfacename>Comparator</interfacename>
-
-           to be used to order the messages when sending (use the XML attribute
-
-          <literal>comparator</literal>
-
-           to point to a bean definition). If
-
-          <literal>release-partial-sequences</literal>
-
-           is true then there is no way with a custom comparator to define a partial sequence. To do that you would have to provide a
-
-          <literal>release-strategy</literal>
-
-           (also a reference to another bean definition, either a POJO or a
-
-          <interfacename>ReleaseStrategy</interfacename>
-
-          ).
         </callout>
 
         <callout arearefs="resxml6-co" id="resxml6">
diff --git a/src/reference/docbook/transformer.xml b/src/reference/docbook/transformer.xml
index de076a877a..a5fccb0edf 100644
--- a/src/reference/docbook/transformer.xml
+++ b/src/reference/docbook/transformer.xml
@@ -229,7 +229,9 @@ public class Kid {
       <para>
         Beginning with version 3.0, the <code>object-mapper</code> attribute references an instance of a new
         strategy interface <interfacename>JsonObjectMapper</interfacename>. This abstraction allows multiple
-        implementations of json mappers to be used. Implementations that wrap Jackson 1.x and Jackson 2 are
+        implementations of json mappers to be used. Implementations that wrap
+        <ulink url="http://jackson.codehaus.org">Jackson 1.x</ulink>  and
+        <ulink url="https://github.com/FasterXML">Jackson 2</ulink>  are
         provided, with the version being detected on the classpath. These classes are
         <classname>JacksonJsonObjectMapper</classname> and <classname>Jackson2JsonObjectMapper</classname>.
       </para>
@@ -238,6 +240,24 @@ public class Kid {
         instead of a <interfacename>JsonObjectMapper</interfacename>. This will be removed in a future release.
       </para>
     </note>
+    <para>
+		<important>
+			If there are requirements to use both Jackson libraries in the same application, keep in mind that
+			before version 3.0, the JSON transformers used only Jackson 1.x and, from 3.0 on, the framework will
+			select Jackson 2 by default, if both are on the classpath.
+			So, to avoid unexpected issues with Jackson's mapping features, when using annotations, there may be
+			a need to apply annotations from both Jacksons on domain classes:
+			<programlisting language="java"><![CDATA[@org.codehaus.jackson.annotate.JsonIgnoreProperties(ignoreUnknown=true)
+@com.fasterxml.jackson.annotation.JsonIgnoreProperties(ignoreUnknown=true)
+public class Foo {
+
+        @org.codehaus.jackson.annotate.JsonProperty("fooBar")
+        @com.fasterxml.jackson.annotation.JsonProperty("fooBar")
+        public Object bar;
+
+}]]></programlisting>
+		</important>
+    </para>
     <para>
         You may wish to consider using a <interfacename>FactoryBean</interfacename> or simple factory
         method to create the <classname>JsonObjectMapper</classname> with