Update scale-intro.html

Fixed typo: Sservice -> service

content/en/docs/tutorials/kubernetes-basics/scale/scale-intro.html

@@ -31,7 +31,7 @@ <h3>Scaling an application</h3>
 
             <p><em>Scaling</em> is accomplished by changing the number of replicas in a Deployment</p>
             <p><b>NOTE</b> If you are trying this after <a href="/docs/tutorials/kubernetes-basics/expose/expose-intro/">the previous section </a>, then you
-            may have deleted the Sservice you created, or have created a Service of <tt>type: NodePort</tt>.
+            may have deleted the service you created, or have created a Service of <tt>type: NodePort</tt>.
             In this section, it is assumed that a service with <tt>type: LoadBalancer</tt> is created for the kubernetes-bootcamp Deployment.</p>
             <p>If you have <em>not</em> deleted the Service created in <a href="/docs/tutorials/kubernetes-basics/expose/expose-intro">the previous section</a>,
             first delete that Service and then run the following command to create a new Service with its