Few fix for the documentation and code.

Author: Blari

src/components/Helper/Helper.js

@@ -247,7 +247,7 @@ class Helper extends Component {
               Documentation
             </Button>
           </div>
-          <div className="d-flex justify-content-between mt-lg">
+          <div className="d-flex justify-content-between mt-2">
             <Button
               href="https://flatlogic.com/forum"
               target="_blank"

src/documentation/pages/getting-started/QuickStart.js

@@ -19,8 +19,9 @@ const QuickStart = () => (
         <ol>
           <li>1. Mac OS X, Windows, or Linux</li>
           <li>2. Yarn package + Node.js v6.5 or newer</li>
-          <li>3. Running our <a href="https://github.com/flatlogic/nodejs-backend" rel="noopener noreferrer" target="_blank">Node.js backend</a>
-              <span className="small text-muted"> (Required only in full stack version)</span></li>
+          <li>3. Running our <a href="https://github.com/flatlogic/nodejs-backend" rel="noopener noreferrer" target="_blank">Node.js</a> or
+            <a href="https://github.com/flatlogic/app-generator-java" rel="noopener noreferrer" target="_blank">Java</a> backend
+            <span className="small text-muted"> (Required only in full stack version)</span></li>
         </ol>
         <h5>Quick Start:</h5>
         <ol>