Case in point. Potential customers will see this dismissal as the equivalent of how long they expect this pricing to remain. You’re free to increase the price in a year and when customers are irked, “why isn’t it $5 anymore?” They’ll be met with “that’s not recent.” “That was so long ago”
If you want to rebuild reputation with hobby tier, you’ll probably want to put in a 3 year pricing guarantee, not 1 month like the notice last time.