MINOR: Fix directory name inconsistency in the Kafka Streams tutorial (…

…apache#14541)

Reviewers: Bruno Cadonna <[email protected]>

docs/streams/tutorial.html

@@ -47,15 +47,15 @@ <h4 class="anchor-heading"><a id="tutorial_maven_setup" class="anchor-link"></a>
     -DarchetypeArtifactId=streams-quickstart-java \
     -DarchetypeVersion={{fullDotVersion}} \
     -DgroupId=streams.examples \
-    -DartifactId=streams.examples \
+    -DartifactId=streams-quickstart\
     -Dversion=0.1 \
     -Dpackage=myapps</code></pre>
     <p>
         You can use a different value for <code>groupId</code>, <code>artifactId</code> and <code>package</code> parameters if you like.
         Assuming the above parameter values are used, this command will create a project structure that looks like this:
     </p>
 
-    <pre class="line-numbers"><code class="language-bash">&gt; tree streams.examples
+    <pre class="line-numbers"><code class="language-bash">&gt; tree streams-quickstart
     streams-quickstart
     |-- pom.xml
     |-- src