Before: [Your Turn] [Once Per Turn] When one of your effects places a digivolution card under this Digimon, this Digimon gets +2000 DP and can't be deleted by your opponent's effects until the end of your opponent's next turn.
After: [Your Turn] [Once Per Turn] When one of your effects places a digivolution card under one of your Digimon, this Digimon gets +2000 DP and can't be deleted by your opponent's effects until the end of your opponent's next turn.
Read as the errata when playing.