How can I save this chilli plant?

I want to start off by saying I am very new to gardening. I bought 2 chilli plants online. The first one, a Hungarian black chilli, has perked up after the stress of delivery and re-potting but the second one, a hot lemon, has not. The leaf at the bottom is new growth but the top of the stalk is very dry and crispy. I don’t think I have over watered it, the soil is moist but not soaking and I have not been keeping in direct sunlight all day. Is there anything I can I do to save it?