Translate the following English sentence to French:
"Secondly, it is important to point out that, because of the amendment I have just mentioned, "presential" contracts are also covered by Article 15. By "presential" contracts, I mean those that are concluded face to face."
Deuxièmement, il faut préciser que, en vertu de l'amendement auquel je me réfère, l'article 15 couvre également les contrats conclus de visu, c'est-à-dire les contrats face to face.