Add strong tag to english text

frontend/public/locales/en/common.json

@@ -136,7 +136,7 @@
   "guestOverview": "Guest overview",
   "guestRegisterWizardText": {
     "identityHeader": "Identify yourself ",
-    "identityBody": "Enter national identity number if you have one. Otherwise use passport information.",
+    "identityBody": "Enter national identity number if you have one. <1>Otherwise</1> use passport information.",
     "yourContactInformation": "Your contact information",
     "contactInformationDescription": "Fill in your mobile phone number.",
     "yourGuestPeriod": "Your guest period",

frontend/src/routes/guest/register/steps/register.tsx

@@ -438,7 +438,8 @@ const GuestRegisterStep = forwardRef(
                   </Typography>
                   <Typography sx={{ paddingBottom: '1rem' }}>
                     <Trans i18nKey="common:guestRegisterWizardText.identityBody">
-                      Placeholder with <strong>asd</strong> text
+                      Enter national identity number if you have one.{' '}
+                      <strong>Otherwise</strong> use passport information.
                     </Trans>
                     <Divider sx={{ border: '1px solid' }} />
                   </Typography>