@jasper_us
Go to Localization > Translations page.
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Proceed with installed modules translations for theme 'hotel-reservation-theme'.
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Now edit required texts under section 'HOTEL-RESERVATION-THEME - HEADERHOTELDESCBLOCK'.
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Click Save.
Clear cache from Advanced Parameters > Performance page and go to front office to check if the new translation has been applied.
In case of issues or further queries, please let us know.