Good to hear! I know I freaked out when I got that taste in my first batch of apple. Even with the 71B-1122, you can get these "cidery" flavors in the young wine, but not as much as with Champagne yeast in my experience.
Now you have a couple ways to go. You can adjust at bottling or you can continue to age in the carboy for as long as 6 months or more. Some folks I know won't bottle apple until it is at least 6 months in carboys, racking off the sediment every 2 months or so as needed to keep it off the lees. That allows the SO2 to get out, too, which is a good thing. Then they don't drink it until a year has elapsed. If you like a dry wine, this length of time seems the key to get it to mellow.
I am patient but not that patient, and fortunately I like a semi-sweet wine. When the wine gets clear, I want to bottle, so I degas, stabilize and pull off one gallon as a bench batch to adjust. Once I have the one gallon adjusted, 4 times whatever I used in it goes in the carboy for 5 gallons total, or 5 times for 6 gallons, and I usually rack the test gallon back in there, too. 7-10 days after that, it is bottling time. I do like to rack off whatever has settled just prior to bottling. I hate sediment in bottled wines, and that keeps the last bottles from getting any accidental dregs in them.
To adjust, I use frozen apple juice concentrate or apple juice that has been simmered down to about a third the original volume and cooled, sugar syrup, acid and tannin. I haven't used all of those all the time, just to my taste.
I am pretty new to winemaking, too, so what I do is not an expert opinion. Glad to have maybe helped you, and wish you much success!