Update strings.json

Author: phavekes

myconext-gui/src/locale/js/en/strings.json

@@ -413,7 +413,7 @@
   "GetApp.Info.COPY": "Download the eduID app (by SURF) in one of the app stores.",
   "GetApp.Google.COPY": "https://play.google.com/store/apps/details?id=nl.eduid",
   "GetApp.Apple.COPY": "https://apps.apple.com/",
-  "GetApp.After.COPY": "Have you installed the app? Then press ‘Next’",
+  "GetApp.After.COPY": "Have you installed the app? Then press ‘Continue’",
   "GetApp.Back.COPY": "Back",
   "GetApp.Next.COPY": "Continue",
   "Sms.Header.COPY": "Check your phone",