I wouldnt change anything. more nutes doesnt mean more bud. the plant will grow as it is genetically programmed to.

-If the plant is a healthy green with noticeable growth every day-2days, then you're good.
-The time to have found its max feed was during the first 2 weeks of flower. Some like to feed until the tips slightly burn then back off. If you try this now, you may burn it too much, messing with your yield. Your First Grow, you dont wanna discourage yourself from a second.