diff --git a/multi/multi__managing_spans_with_annotations.html b/multi/multi__managing_spans_with_annotations.html
index 5c5fae1ba..5358b0a17 100644
--- a/multi/multi__managing_spans_with_annotations.html
+++ b/multi/multi__managing_spans_with_annotations.html
@@ -37,7 +37,7 @@ Its class name has to be passed as the value of the <code class="literal">resolv
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> TagValueResolver tagValueResolver() {
 	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> parameter -&gt; <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"Value from myCustomTagValueResolver"</span>;
 }</pre><p>The two preceding examples lead to setting a tag value equal to <code class="literal">Value from myCustomTagValueResolver</code>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_resolving_expressions_for_a_value" href="#_resolving_expressions_for_a_value"></a>11.4.2&nbsp;Resolving Expressions for a Value</h3></div></div></div><p>Consider the following annotated method:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@NewSpan</span></em>
-<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> getAnnotationForTagValueExpression(<em><span class="hl-annotation" style="color: gray">@SpanTag(key = "test", expression = "length() + ' characters'")</span></em> String test) {
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> getAnnotationForTagValueExpression(<em><span class="hl-annotation" style="color: gray">@SpanTag(key = "test", expression = "'hello' + ' characters'")</span></em> String test) {
 }</pre><p>No custom implementation of a <code class="literal">TagValueExpressionResolver</code> leads to evaluation of the SPEL expression, and a tag with a value of <code class="literal">4 characters</code> is set on the span.
 If you want to use some other expression resolution mechanism, you can create your own implementation of the bean.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_using_the_literal_tostring_literal_method" href="#_using_the_literal_tostring_literal_method"></a>11.4.3&nbsp;Using the <code class="literal">toString()</code> method</h3></div></div></div><p>Consider the following annotated method:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@NewSpan</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> getAnnotationForArgumentToString(<em><span class="hl-annotation" style="color: gray">@SpanTag("test")</span></em> Long param) {
diff --git a/single/spring-cloud-sleuth.html b/single/spring-cloud-sleuth.html
index 7c5e132b3..40140f49c 100644
--- a/single/spring-cloud-sleuth.html
+++ b/single/spring-cloud-sleuth.html
@@ -593,7 +593,7 @@ Its class name has to be passed as the value of the <code class="literal">resolv
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> TagValueResolver tagValueResolver() {
 	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> parameter -&gt; <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"Value from myCustomTagValueResolver"</span>;
 }</pre><p>The two preceding examples lead to setting a tag value equal to <code class="literal">Value from myCustomTagValueResolver</code>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_resolving_expressions_for_a_value" href="#_resolving_expressions_for_a_value"></a>11.4.2&nbsp;Resolving Expressions for a Value</h3></div></div></div><p>Consider the following annotated method:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@NewSpan</span></em>
-<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> getAnnotationForTagValueExpression(<em><span class="hl-annotation" style="color: gray">@SpanTag(key = "test", expression = "length() + ' characters'")</span></em> String test) {
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> getAnnotationForTagValueExpression(<em><span class="hl-annotation" style="color: gray">@SpanTag(key = "test", expression = "'hello' + ' characters'")</span></em> String test) {
 }</pre><p>No custom implementation of a <code class="literal">TagValueExpressionResolver</code> leads to evaluation of the SPEL expression, and a tag with a value of <code class="literal">4 characters</code> is set on the span.
 If you want to use some other expression resolution mechanism, you can create your own implementation of the bean.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_using_the_literal_tostring_literal_method" href="#_using_the_literal_tostring_literal_method"></a>11.4.3&nbsp;Using the <code class="literal">toString()</code> method</h3></div></div></div><p>Consider the following annotated method:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@NewSpan</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> getAnnotationForArgumentToString(<em><span class="hl-annotation" style="color: gray">@SpanTag("test")</span></em> Long param) {
diff --git a/spring-cloud-sleuth.xml b/spring-cloud-sleuth.xml
index 36d75a97f..6d2bd954d 100644
--- a/spring-cloud-sleuth.xml
+++ b/spring-cloud-sleuth.xml
@@ -1365,7 +1365,7 @@ public TagValueResolver tagValueResolver() {
 <title>Resolving Expressions for a Value</title>
 <simpara>Consider the following annotated method:</simpara>
 <programlisting language="java" linenumbering="unnumbered">@NewSpan
-public void getAnnotationForTagValueExpression(@SpanTag(key = "test", expression = "length() + ' characters'") String test) {
+public void getAnnotationForTagValueExpression(@SpanTag(key = "test", expression = "'hello' + ' characters'") String test) {
 }</programlisting>
 <simpara>No custom implementation of a <literal>TagValueExpressionResolver</literal> leads to evaluation of the SPEL expression, and a tag with a value of <literal>4 characters</literal> is set on the span.
 If you want to use some other expression resolution mechanism, you can create your own implementation of the bean.</simpara>