Shorten sentence to avoid word-wrap (#3347)

* Update about_build_modal.jsx

* Update en.json

webapp/components/about_build_modal.jsx

@@ -65,7 +65,7 @@ export default class AboutBuildModal extends React.Component {
             subTitle = (
                 <FormattedMessage
                     id='about.enterpriseEditionSt'
-                    defaultMessage='Modern enterprise communication from behind your firewall.'
+                    defaultMessage='Modern communication from behind your firewall.'
                 />
             );