Update link to weights (#1)

- Update link to weights (74173db6d36166baa1ad396eb6cea19ef661cbc2)


Co-authored-by: Constant Meiring <constantm@users.noreply.huggingface.co>

README.md

@@ -13,7 +13,7 @@ In addition to the textual input, it receives a `noise_level` as an input parame
 
 ![Image](https://github.com/Stability-AI/stablediffusion/raw/main/assets/stable-samples/upscaling/merged-dog.png)
 
-- Use it with the [`stablediffusion`](https://github.com/Stability-AI/stablediffusion) repository: download the `x4-upscaler-ema.ckpt` [here](https://huggingface.co/stabilityai/stable-diffusion-2-depth/resolve/main/x4-upscaler-ema.ckpt).
+- Use it with the [`stablediffusion`](https://github.com/Stability-AI/stablediffusion) repository: download the `x4-upscaler-ema.ckpt` [here](https://huggingface.co/stabilityai/stable-diffusion-x4-upscaler/resolve/main/x4-upscaler-ema.ckpt).
 - Use it with 🧨 diffusers (_coming soon_)