diff --git a/multi/multi__sending_spans_to_zipkin.html b/multi/multi__sending_spans_to_zipkin.html
index d302fee54..7a499485f 100644
--- a/multi/multi__sending_spans_to_zipkin.html
+++ b/multi/multi__sending_spans_to_zipkin.html
@@ -8,7 +8,8 @@ that you can set up the load balancing configuration e.g. via Ribbon.</p><pre cl
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  ribbon</span>:
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    ListOfServers</span>: host1,host2</pre><p>If you have web, rabbit, or kafka together on the classpath, you might need to pick the means by which you would like to send spans to zipkin.
 To do so, set <code class="literal">web</code>, <code class="literal">rabbit</code>, or <code class="literal">kafka</code> to the <code class="literal">spring.zipkin.sender.type</code> property.
-The following example shows setting the sender type for <code class="literal">web</code>:</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">spring.zipkin.sender.type</span>: web</pre><p>To customize the <code class="literal">RestTemplate</code> that sends spans to Zipkin via HTTP, you can register
+The following example shows setting the sender type for <code class="literal">web</code>:</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">spring.zipkin.sender.type</span>: web</pre><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>If you have Kafka on the classpath, you need to set
+<code class="literal">spring.zipkin.kafka.enabled</code> to <code class="literal">true</code> apart from setting the sender type.</p></td></tr></table></div><p>To customize the <code class="literal">RestTemplate</code> that sends spans to Zipkin via HTTP, you can register
 the <code class="literal">ZipkinRestTemplateCustomizer</code> bean.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> MyConfig {
 	<em><span class="hl-annotation" style="color: gray">@Bean</span></em> ZipkinRestTemplateCustomizer myCustomizer() {
diff --git a/single/spring-cloud-sleuth.html b/single/spring-cloud-sleuth.html
index 50ea53105..05489272c 100644
--- a/single/spring-cloud-sleuth.html
+++ b/single/spring-cloud-sleuth.html
@@ -671,7 +671,8 @@ that you can set up the load balancing configuration e.g. via Ribbon.</p><pre cl
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  ribbon</span>:
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    ListOfServers</span>: host1,host2</pre><p>If you have web, rabbit, or kafka together on the classpath, you might need to pick the means by which you would like to send spans to zipkin.
 To do so, set <code class="literal">web</code>, <code class="literal">rabbit</code>, or <code class="literal">kafka</code> to the <code class="literal">spring.zipkin.sender.type</code> property.
-The following example shows setting the sender type for <code class="literal">web</code>:</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">spring.zipkin.sender.type</span>: web</pre><p>To customize the <code class="literal">RestTemplate</code> that sends spans to Zipkin via HTTP, you can register
+The following example shows setting the sender type for <code class="literal">web</code>:</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">spring.zipkin.sender.type</span>: web</pre><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>If you have Kafka on the classpath, you need to set
+<code class="literal">spring.zipkin.kafka.enabled</code> to <code class="literal">true</code> apart from setting the sender type.</p></td></tr></table></div><p>To customize the <code class="literal">RestTemplate</code> that sends spans to Zipkin via HTTP, you can register
 the <code class="literal">ZipkinRestTemplateCustomizer</code> bean.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> MyConfig {
 	<em><span class="hl-annotation" style="color: gray">@Bean</span></em> ZipkinRestTemplateCustomizer myCustomizer() {
diff --git a/spring-cloud-sleuth.xml b/spring-cloud-sleuth.xml
index 5b3710493..9da1db9e2 100644
--- a/spring-cloud-sleuth.xml
+++ b/spring-cloud-sleuth.xml
@@ -1503,6 +1503,10 @@ that you can set up the load balancing configuration e.g. via Ribbon.</simpara>
 To do so, set <literal>web</literal>, <literal>rabbit</literal>, or <literal>kafka</literal> to the <literal>spring.zipkin.sender.type</literal> property.
 The following example shows setting the sender type for <literal>web</literal>:</simpara>
 <programlisting language="yaml" linenumbering="unnumbered">spring.zipkin.sender.type: web</programlisting>
+<important>
+<simpara>If you have Kafka on the classpath, you need to set
+<literal>spring.zipkin.kafka.enabled</literal> to <literal>true</literal> apart from setting the sender type.</simpara>
+</important>
 <simpara>To customize the <literal>RestTemplate</literal> that sends spans to Zipkin via HTTP, you can register
 the <literal>ZipkinRestTemplateCustomizer</literal> bean.</simpara>
 <programlisting language="java" linenumbering="unnumbered">@Configuration