Set the document language

Setting the document language in a PDF enables some screen readers to switch to the appropriate language. You can set the document language for an entire document with Acrobat Professional or Acrobat Standard. You can set the document language for specific portions of a multilanguage document with Acrobat Professional.

To set the language for an entire document, choose File > Properties, and select a language from the Language menu in the Reading Options area of the Advanced tab.
To set the language for an entire document to a language not in the Language menu, choose File > Properties, and enter the ISO 639 code for the language in the Language field in the Reading Options area of the Advanced tab.
Note: You can find the ISO 639 codes at www.loc.gov/standards/iso639-2/langhome.html.
To set the language for individual sections or words, select the appropriate text element in the Tags tab, and choose Properties from the Options menu. In the TouchUp Properties dialog box, select the Tag tab. Select a language from the Language menu, and click Close.
Note: The language that you specify for an element also applies to all elements nested under it in the logical structure tree.