fix readme

README.md

@@ -14,7 +14,7 @@ inference: true
 
 Quantized versions of [stable-diffusion-v1-5](https://huggingface.co/stable-diffusion-v1-5/stable-diffusion-v1-5) in **GGUF** format for use with [stable-diffusion.cpp](https://github.com/leejet/stable-diffusion.cpp).
 
-At the time of publishing, no ready-made GGUF weights for SDXL were available for sd.cpp runtime — so here we are.
+At the time of publishing, no ready-made GGUF weights for SD1.5 were available for sd.cpp runtime — so here we are.
 
 ![Sample output](out.png)
 *Sample generation: "A lovely cat" · seed 357925 · Q8_0 · 512×512*