In the long term, cryptocurrency market will only grow, so you have nothing to fear. But the risk of a correction remains.
What do you mean by risk of a correction?
On how strong are you in holding your coins, waiting for the right time and wait until its price will grow will profit you much in the future. Be not worry anymore probably your investments will grow in the long run.
There will be a time when market price will going up, and it's better to invest now than nothing. It is never too late to start bitcoin, don't waste another time. Nothing to worry about its value, soon it will boom again.