(Multi) Language Tag

please assist: how to add language Tags on Nicepage for Multi Language page:

It is important to set a language tag for each language on a multilingual website because it helps search engines and assistive technologies understand the content's language. This ensures that search engines correctly index the page for relevant search queries and that users with accessibility needs, like screen readers, receive the correct language version. Proper language tags also improve user experience by displaying the right language to the right audience and prevent issues with automatic translation tools.