To adjust the settings of the SRS algorithm, you can edit config.edn and uncomment the lines for 2 values below and adjust them. Comment lines begin with ;; so you’d need to remove the ;; for those settings to be effective.
;; any number between 0 and 1 (the greater it is the faster the changes of the next-interval of card reviews) (default 0.5)
;; :srs/learning-fraction 0.5
;; the initial interval after the first successful review of a card (default 4)
;; :srs/initial-interval 4