Cannot change spellcheck language to French (running Linux Mint)

Description of the issue: The spellcheck option is not available for French despite having French set as a browser language

Steps to Reproduce (add as many as necessary): 1. go to settings - add languages - add French 2. make sure spell check is turned on 3. observe lack of French option under spellcheck options

Actual Result (gifs and screenshots are welcome!):

Expected result: having the French option available under Spellcheck

Reproduces how often: every tiime

Operating System and Brave Version(See the About Brave page in the main menu): Linux Mint Brave 1.87.192

Additional Information: Is there a setting elsewhere that I can change to implement this? If not is it possible to make this available please? Thank you!