Simplify the following text for a Grade 12 native English-speaking person.
Original: Richelieu was also famous for his patronage of the arts ; most notably , he founded the AcadÃ mie FranÃ aise , the learned society responsible for matters pertaining to the French language .
Simplified: Richelieu was also famous for his patronage of the arts ; most notably , he founded the AcadÃ mie franÃ aise , the learned society responsible for matters of the French language .