#22 fix typo

etc/adminhtml/system/adyen_getting_started.xml

@@ -32,7 +32,7 @@
                                 <li><a target="_blank" href="https://www.adyen.com/home/payment-services/plug-ins/magento#form"><strong>Sign</strong> up for a test account</a></li>
                                 <li>The latest version of the <a target="_blank" href="https://github.com/adyen/adyen-magento2/releases">Adyen Magento module is also available through GitHub</a>.</li>
                             </ul>
-                            <p> In the test modus you nee to use test cards. <a target="_blank" href="http://adyen.com/test-card-numbers">Test cards can be found here</a>
+                            <p> In the test modus you need to use test cards. <a target="_blank" href="http://adyen.com/test-card-numbers">Test cards can be found here</a>
                             <p>You can find this in the Adyen back-office. The Adyen back-office can be found on <a target="_blank" href="https://ca-test.adyen.com">https://ca-test.adyen.com</a> for test or <a target="_blank" href="https://ca-live.adyen.com">https://ca-live.adyen.com</a> for live.</p>
                             <p>If you have any further questions, please visit the <a target="_blank" href="http://www.adyen.com">Adyen.com</a> website or email <a href="mailto:magento@adyen.com">magento@adyen.com</a>.</p>
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