fix: minor typo

src/i18n/en-us/index.js

@@ -19,7 +19,7 @@ export default {
   hide: 'Hide',
   Image: 'Image',
   imageErrorMessage: 'Some images are not available outside of the VPN (Virtual Private Network)'
-  + ' of the Georg-August-University Goettingen. If you like to get access please refer to the'
+  + ' of the Georg-August-University Goettingen. If you like to get access please refer to the '
   + 'guide at <a href="https://docs.gwdg.de/doku.php?id=en:services:network_services:vpn:start"'
   + 'target="_blank"> Network Services VPN</a>.',
   imageErrorTitle: 'No Image Available',