diff --git a/multi/multi_netflix-rxjava-springmvc.html b/multi/multi_netflix-rxjava-springmvc.html
index 5b1589dc0..4cf40f407 100644
--- a/multi/multi_netflix-rxjava-springmvc.html
+++ b/multi/multi_netflix-rxjava-springmvc.html
@@ -21,31 +21,31 @@
 	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Single.error(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> RuntimeException(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"Unexpected"</span>));
 }</pre><p>If you have an <code class="literal">Observable</code>, rather than a single, you can use <code class="literal">.toSingle()</code> or <code class="literal">.toList().toSingle()</code>. Here are some examples:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/single")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Single&lt;String&gt; single() {
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>).toSingle();
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>).toSingle();
 }
 
 <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/multiple")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Single&lt;List&lt;String&gt;&gt; multiple() {
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"multiple"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"values"</span>).toList().toSingle();
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"multiple"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"values"</span>).toList().toSingle();
 }
 
 <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/responseWithObservable")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> ResponseEntity&lt;Single&lt;String&gt;&gt; responseWithObservable() {
 
-    Observable&lt;String&gt; observable = Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>);
-    HttpHeaders headers = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> HttpHeaders();
-    headers.setContentType(APPLICATION_JSON_UTF8);
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> ResponseEntity&lt;&gt;(observable.toSingle(), headers, HttpStatus.CREATED);
+	Observable&lt;String&gt; observable = Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>);
+	HttpHeaders headers = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> HttpHeaders();
+	headers.setContentType(APPLICATION_JSON_UTF8);
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> ResponseEntity&lt;&gt;(observable.toSingle(), headers, HttpStatus.CREATED);
 }
 
 <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/timeout")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Observable&lt;String&gt; timeout() {
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.timer(<span class="hl-number">1</span>, TimeUnit.MINUTES).map(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Func1&lt;Long, String&gt;() {
-        <em><span class="hl-annotation" style="color: gray">@Override</span></em>
-        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String call(Long aLong) {
-            <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>;
-        }
-    });
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.timer(<span class="hl-number">1</span>, TimeUnit.MINUTES).map(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Func1&lt;Long, String&gt;() {
+		<em><span class="hl-annotation" style="color: gray">@Override</span></em>
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String call(Long aLong) {
+			<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>;
+		}
+	});
 }</pre><p>If you have a streaming endpoint and client, SSE could be an option. To convert <code class="literal">rx.Observable</code> to a Spring <code class="literal">SseEmitter</code> use <code class="literal">RxResponse.sse()</code>. Here are some examples:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/sse")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> SseEmitter single() {
 	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> RxResponse.sse(Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>));
diff --git a/single/spring-cloud-netflix.html b/single/spring-cloud-netflix.html
index d0c22dbdc..8513adf9b 100644
--- a/single/spring-cloud-netflix.html
+++ b/single/spring-cloud-netflix.html
@@ -1333,31 +1333,31 @@ might result in a YAML document like the following</p><pre class="programlisting
 	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Single.error(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> RuntimeException(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"Unexpected"</span>));
 }</pre><p>If you have an <code class="literal">Observable</code>, rather than a single, you can use <code class="literal">.toSingle()</code> or <code class="literal">.toList().toSingle()</code>. Here are some examples:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/single")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Single&lt;String&gt; single() {
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>).toSingle();
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>).toSingle();
 }
 
 <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/multiple")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Single&lt;List&lt;String&gt;&gt; multiple() {
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"multiple"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"values"</span>).toList().toSingle();
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"multiple"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"values"</span>).toList().toSingle();
 }
 
 <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/responseWithObservable")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> ResponseEntity&lt;Single&lt;String&gt;&gt; responseWithObservable() {
 
-    Observable&lt;String&gt; observable = Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>);
-    HttpHeaders headers = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> HttpHeaders();
-    headers.setContentType(APPLICATION_JSON_UTF8);
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> ResponseEntity&lt;&gt;(observable.toSingle(), headers, HttpStatus.CREATED);
+	Observable&lt;String&gt; observable = Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>);
+	HttpHeaders headers = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> HttpHeaders();
+	headers.setContentType(APPLICATION_JSON_UTF8);
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> ResponseEntity&lt;&gt;(observable.toSingle(), headers, HttpStatus.CREATED);
 }
 
 <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/timeout")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Observable&lt;String&gt; timeout() {
-    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.timer(<span class="hl-number">1</span>, TimeUnit.MINUTES).map(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Func1&lt;Long, String&gt;() {
-        <em><span class="hl-annotation" style="color: gray">@Override</span></em>
-        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String call(Long aLong) {
-            <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>;
-        }
-    });
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Observable.timer(<span class="hl-number">1</span>, TimeUnit.MINUTES).map(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Func1&lt;Long, String&gt;() {
+		<em><span class="hl-annotation" style="color: gray">@Override</span></em>
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String call(Long aLong) {
+			<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>;
+		}
+	});
 }</pre><p>If you have a streaming endpoint and client, SSE could be an option. To convert <code class="literal">rx.Observable</code> to a Spring <code class="literal">SseEmitter</code> use <code class="literal">RxResponse.sse()</code>. Here are some examples:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/sse")</span></em>
 <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> SseEmitter single() {
 	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> RxResponse.sse(Observable.just(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"single value"</span>));
diff --git a/spring-cloud-netflix.xml b/spring-cloud-netflix.xml
index 54208d302..95d0d5084 100644
--- a/spring-cloud-netflix.xml
+++ b/spring-cloud-netflix.xml
@@ -2325,31 +2325,31 @@ public Single&lt;Object&gt; error() {
 <simpara>If you have an <literal>Observable</literal>, rather than a single, you can use <literal>.toSingle()</literal> or <literal>.toList().toSingle()</literal>. Here are some examples:</simpara>
 <programlisting language="java" linenumbering="unnumbered">@RequestMapping(method = RequestMethod.GET, value = "/single")
 public Single&lt;String&gt; single() {
-    return Observable.just("single value").toSingle();
+	return Observable.just("single value").toSingle();
 }
 
 @RequestMapping(method = RequestMethod.GET, value = "/multiple")
 public Single&lt;List&lt;String&gt;&gt; multiple() {
-    return Observable.just("multiple", "values").toList().toSingle();
+	return Observable.just("multiple", "values").toList().toSingle();
 }
 
 @RequestMapping(method = RequestMethod.GET, value = "/responseWithObservable")
 public ResponseEntity&lt;Single&lt;String&gt;&gt; responseWithObservable() {
 
-    Observable&lt;String&gt; observable = Observable.just("single value");
-    HttpHeaders headers = new HttpHeaders();
-    headers.setContentType(APPLICATION_JSON_UTF8);
-    return new ResponseEntity&lt;&gt;(observable.toSingle(), headers, HttpStatus.CREATED);
+	Observable&lt;String&gt; observable = Observable.just("single value");
+	HttpHeaders headers = new HttpHeaders();
+	headers.setContentType(APPLICATION_JSON_UTF8);
+	return new ResponseEntity&lt;&gt;(observable.toSingle(), headers, HttpStatus.CREATED);
 }
 
 @RequestMapping(method = RequestMethod.GET, value = "/timeout")
 public Observable&lt;String&gt; timeout() {
-    return Observable.timer(1, TimeUnit.MINUTES).map(new Func1&lt;Long, String&gt;() {
-        @Override
-        public String call(Long aLong) {
-            return "single value";
-        }
-    });
+	return Observable.timer(1, TimeUnit.MINUTES).map(new Func1&lt;Long, String&gt;() {
+		@Override
+		public String call(Long aLong) {
+			return "single value";
+		}
+	});
 }</programlisting>
 <simpara>If you have a streaming endpoint and client, SSE could be an option. To convert <literal>rx.Observable</literal> to a Spring <literal>SseEmitter</literal> use <literal>RxResponse.sse()</literal>. Here are some examples:</simpara>
 <programlisting language="java" linenumbering="unnumbered">@RequestMapping(method = RequestMethod.GET, value = "/sse")