Add i18n

Author: srenon

etc/adminhtml/system.xml

@@ -21,7 +21,7 @@
                 <comment>
                     <![CDATA[
                     <strong>Copyright © 2018 <a href="http://www.magepal.com" target="_blank">www.magepal.com</a> / <a href="mailto:support@magepal.com">support@magepal.com</a></strong><br />
-                    Discovery other must have extensions at <a href="https://www.magepal.com" target="_blank">www.magepal.com</a>. Thanks for choosing MagePal Extensions.<br/><br/>
+                    Discover other must have extensions at <a href="https://www.magepal.com" target="_blank">www.magepal.com</a>. Thanks for choosing MagePal Extensions.<br/><br/>
                     <hr style="border-top: 1px solid #e3e3e3" />
                   ]]>
                 </comment>